Workshop Repair and Service Manuals GMC SIERRA
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00-00-90-002K Information on Proper Tire Pressure - (Sep 14 2012) Tires - part 2      Do not use the tire pressure indicated on the tire itself as a guide.Always inspect and adjust the pressure when the tires are cold.Vehicles that have different pressures for the front and the rear need to be adjustedafter tire...
00-00-90-002K Information on Proper Tire Pressure - (Sep 14 2012) Tires      Subject: Information on Proper Tire Pressure Models:  2013 and Prior GM Passenger Cars and Light Duty Trucks     This bulletin is being revised to add model years. Please discard Corporate...
00-03-10-002H Chemical Staining Pitting Corrosion and or Spotted Appearance of Chromed Aluminum Wheels - (Oct 24 2013) Wheels - part 3      Important:Notify the customer that this is a one time replacement. Please stress to the customerthe vital importance of keeping the wheels clean and free of prolonged exposure tobrake dust build-up. “GM of Canada” dealers...
00-03-10-002H Chemical Staining Pitting Corrosion and or Spotted Appearance of Chromed Aluminum Wheels - (Oct 24 2013) Wheels - part 2      A second type or staining or finish disturbance may result from road chemicals, suchas calcium chloride used for dust control of unpaved roads. The staining will looklike small pitting (refer to Figure 2). This staining will...
00-03-10-002H Chemical Staining Pitting Corrosion and or Spotted Appearance of Chromed Aluminum Wheels - (Oct 24 2013) Wheels      Subject: Chemical Staining, Pitting, Corrosion and/or Spotted Appearance of Chromed AluminumWheels Models:  2014 and Prior GM Cars and Trucks     This bulletin has been revised to add the 2014 model year...
00-03-10-003R General Motors New Vehicle Tire Warranty Program and Global Warranty Management (GWM) Submission Information (U S Dealers Only) - (Aug 5 2013) Tires - part 7      The warranty transaction can then be submitted. Important:It is a GWM system requirement that the Tire Pre-Repair Authorization (PRA) must bein Accept status before the service agent submits the warranty transaction. Failureto...
00-03-10-003R General Motors New Vehicle Tire Warranty Program and Global Warranty Management (GWM) Submission Information (U S Dealers Only) - (Aug 5 2013) Tires - part 6      Note:The purpose of this selection is to verify that in the servicing dealers judgement,the tire was replaced due to an inherent structural problem in the tire (not roadhazard, customer enthusiasm, etc.). Select a YES/NO...
00-03-10-003R General Motors New Vehicle Tire Warranty Program and Global Warranty Management (GWM) Submission Information (U S Dealers Only) - (Aug 5 2013) Tires - part 5      After the Tire PRA moves from New to Accept status, the warranty transaction can besubmitted.Additional Requirements for Customer ReimbursementsGM Tire Warranty Proration applies to 2011–2014 Model Year Vehicles.The original...
00-03-10-003R General Motors New Vehicle Tire Warranty Program and Global Warranty Management (GWM) Submission Information (U S Dealers Only) - (Aug 5 2013) Tires - part 4      The tire shown above has two non-warrantable conditions. This tire is both badly wornon the inside shoulder (over extended mileage) and has suffered air leakage from ascrew still in the tread. Neither of these conditions...
00-03-10-003R General Motors New Vehicle Tire Warranty Program and Global Warranty Management (GWM) Submission Information (U S Dealers Only) - (Aug 5 2013) Tires - part 3      When the instructions found in the Owner Manual have been followed correctly, GM willcontinue to cover the tire under the terms of the New Vehicle Warranty, whether ornot the practice conflicts with the policies of the...
00-03-10-003R General Motors New Vehicle Tire Warranty Program and Global Warranty Management (GWM) Submission Information (U S Dealers Only) - (Aug 5 2013) Tires - part 2      p> Using the above table you should be able to readily calculate the required customercontribution for each scenario. Here are a few examples: A Chevrolet vehicle with 18,475 miles requires one tire be replaced. The full costof...
00-03-10-003R General Motors New Vehicle Tire Warranty Program and Global Warranty Management (GWM) Submission Information (U S Dealers Only) - (Aug 5 2013) Tires      Subject: General Motors New Vehicle Tire Warranty Program and Global Warranty Management (GWM)Submission Information (U.S. Dealers Only) Models:  2003-2014 GM Cars and Light Duty Trucks Attention:  This...
00-03-10-006I Information on Tire Radial Force Variation (RFV) - (Jan 28 2013) Tires - part 5      Usually a back cone method to the machine should beused. For added accuracy and repeatability, a flange plate should be used to clampthe wheel onto the cone and machine. This system is offered by all balancer manufacturersin...
00-03-10-006I Information on Tire Radial Force Variation (RFV) - (Jan 28 2013) Tires - part 4      p>When measuring RFV and match mounting tires perform the following steps. Measuring Wheel Runout and Assembly Radial Force Variation Important:The completed worksheet at the end of this bulletin must be attached to the hard...
00-03-10-006I Information on Tire Radial Force Variation (RFV) - (Jan 28 2013) Tires - part 3      Never center the wheel using the hub-capboresince it is not a precision machined surface. Perform the centering check if the equipment is capable of a centering check. Ifany assembly calls for more than ? ounce on either rim...
00-03-10-006I Information on Tire Radial Force Variation (RFV) - (Jan 28 2013) Tires - part 2      If the brakes are applied lightly and the pulsation feltin the steering wheel increases, refer to the Brakes section of the servicemanual that deals with brake-induced pulsation. If you can start to hear the vibrationas a low...
00-03-10-006I Information on Tire Radial Force Variation (RFV) - (Jan 28 2013) Tires      Subject: Information on Tire Radial Force Variation (RFV) Models:  2013 and Prior GM Passenger Cars and Light Duty Trucks     This bulletin is being revised to reinforce the importance of performing a wheel...
00-05-22-002N Disc Brake Warranty Service and Procedures - (May 31 2013) Disc Brakes - part 14      ORKSHEET — BRAKE LATHE CALIBRATION Important:Brake lathe calibration should be performed and recorded monthly or if you are consistentlymeasuring high LRO after rotor refinishing. BRAKE LATHE CALIBRATION CHECK SHEET...
00-05-22-002N Disc Brake Warranty Service and Procedures - (May 31 2013) Disc Brakes - part 13      However,if the brake pads are excessively worn un-evenly, side-to-side or same side/inner-to-outerpads, then consideration should be given to cover this underwarranty since this type of wear is most likely due to poor operation...
00-05-22-002N Disc Brake Warranty Service and Procedures - (May 31 2013) Disc Brakes - part 12      Q: What information needs to be documented on the Repair Order- A: Any claim that is submitted using the labor operations in this bulletin, must havethe Original Rotor Thickness and Refinish Rotor Thickness (if refinished)...
00-05-22-002N Disc Brake Warranty Service and Procedures - (May 31 2013) Disc Brakes - part 11      Squeak/Squeal Noise:Occurs with front semi-metallic brake pads at medium speeds when light to medium pressureis applied to the brake pedal.Occasionally a noise may occur on rear brakes during the first few stops or with...
00-05-22-002N Disc Brake Warranty Service and Procedures - (May 31 2013) Disc Brakes - part 10      Check for clean and true lathe adapters and make surethe arbor shoulder is clean and free of debris or burrs. For more information seethe “Brake Lathe Calibration Procedure” section in this bulletin. On the outboard area of the...
00-05-22-002N Disc Brake Warranty Service and Procedures - (May 31 2013) Disc Brakes - part 9      The customer may toleratethe condition until it becomes very apparent.If a GM dealer performed a prior brake service, consider paying for the repair andthen strongly reinforce proper brake lathe maintenance.If the customer had...
00-05-22-002N Disc Brake Warranty Service and Procedures - (May 31 2013) Disc Brakes - part 8      Once bent, the lathe will most likely not cut properly until the tool holderplate is replaced. In order to verify the condition of the tool holder plate on amachinethat will not cut right, remove the mounting bolt and remove...
00-05-22-002N Disc Brake Warranty Service and Procedures - (May 31 2013) Disc Brakes - part 7      Before you loosenthe arbornut, match mark the hub of the bell clamp to the arbor and line up these marks beforemachining a rotor. A magic marker can be used to make the match marks. Machine a rotorand recheck the calibration....
00-05-22-002N Disc Brake Warranty Service and Procedures - (May 31 2013) Disc Brakes - part 6      Make sure to index the rotor correctly to the marks made in step 10, otherwiseLRO will be comprised.Hubbed / Captured / Trapped RotorMeasure the rotor thickness.Refinish or replace the rotor (see Service Information for further...
00-05-22-002N Disc Brake Warranty Service and Procedures - (May 31 2013) Disc Brakes - part 5      Then again, starting with thefirst lug nut you tightened by hand, tighten all the lug nuts in a star pattern tothe specific vehicle torque specification.DO NOT reinstall the caliper or the wheel at this time.On-Car Type...
00-05-22-002N Disc Brake Warranty Service and Procedures - (May 31 2013) Disc Brakes - part 4      Connect the lathe to the adapter, turn on the lathe and activate the computer to compensatefor run-out in the hub.Once the computer indicates the compensation process was successful, on the outboardarea of the rotor, position...
00-05-22-002N Disc Brake Warranty Service and Procedures - (May 31 2013) Disc Brakes - part 3      Important:Prior to making the cut, install the recommended clip-on style disc silencer suppliedwith the lathe. Use of this silencer is critical to prevent chatter from occurringduring the cut. Bench Type LatheRefinish the...
00-05-22-002N Disc Brake Warranty Service and Procedures - (May 31 2013) Disc Brakes - part 2      If the Warranty Parts Centergenerates a request, this Documentation/Form must be attached to the repair orderthat is sent back. Important:Documentation of brake lathe maintenance and calibration as recommended by the...
00-05-22-002N Disc Brake Warranty Service and Procedures - (May 31 2013) Disc Brakes      Subject: Disc Brake Warranty Service and Procedures Models:  2014 and Prior GM Passenger Cars and Light Duty Trucks EXCLUDING 2009-2013 Chevrolet Corvette ZR1 and Z06 Equipped with RPO Z07 This bulletin is...
01-03-10-003K GM of Canada New Vehicle Limited Warranty Tire Program and Global Warranty Management (GWM) Submission Information - (Aug 28 2013) Tires - part 7      ransportation Claims For any tire replaced because of transportation damage or incorrect parts, use labourcode 0500110 and submit as a transportation transaction. Transportation transactionsshould not be submitted into the GWM...
01-03-10-003K GM of Canada New Vehicle Limited Warranty Tire Program and Global Warranty Management (GWM) Submission Information - (Aug 28 2013) Tires - part 6      The only tires that are not to be returned to their respective manufacturers at thistime are Kumho, Maxxis and Pirelli tires. These brand tires should be scrapped inaccordance with GM of Canada's policy stated in section 1.7.3...
01-03-10-003K GM of Canada New Vehicle Limited Warranty Tire Program and Global Warranty Management (GWM) Submission Information - (Aug 28 2013) Tires - part 5      Click on the NEW button at the bottom of the screen. At theNew Pre-Repair Authorization Screen, enter the Business Unit from the dropdown (GM–Canada) thenenter the Transaction Type from the dropdown (such as ZREG – Regular...
01-03-10-003K GM of Canada New Vehicle Limited Warranty Tire Program and Global Warranty Management (GWM) Submission Information - (Aug 28 2013) Tires - part 4      By far the most frequent non-warrantable condition claimed is road damage, followedby improper wear. With the exception of run-flat or self-sealing tires, road damageis NOT a warrantable condition. The following are photos of...
01-03-10-003K GM of Canada New Vehicle Limited Warranty Tire Program and Global Warranty Management (GWM) Submission Information - (Aug 28 2013) Tires - part 3      GM of Canada may recommend/endorse practices that differ from those of individualtire manufacturers. One example is that the temporary use of tire sealant (as suppliedwith a GM inflator kit) may not be endorsed by certain tire...
01-03-10-003K GM of Canada New Vehicle Limited Warranty Tire Program and Global Warranty Management (GWM) Submission Information - (Aug 28 2013) Tires - part 2      p> Using the above table you should be able to readily calculate the required customercontribution for each scenario. Here are a few examples: A Chevrolet vehicle with 30,435 kilometres requires one tire be replaced. The...
01-03-10-003K GM of Canada New Vehicle Limited Warranty Tire Program and Global Warranty Management (GWM) Submission Information - (Aug 28 2013) Tires      Subject: GM of Canada New Vehicle Limited Warranty Tire Program and Global Warranty Management(GWM) Submission Information Models:  2006-2014 GM Cars and Light Duty Trucks Attention:  "U.S." and "IPC" dealers...
03-03-10-007H Information on Tire Wheel Characteristics (Vibration Balance Shake Flat Spotting) of GM Original Equipment Tires - (Oct 18 2013) Tires      Subject: Information on Tire/Wheel Characteristics (Vibration, Balance, Shake, Flat Spotting)of GM Original Equipment Tires Models:  2014 and Prior GM Cars and Light Duty Trucks     This bulletin has been...
05-02-32-008E Diagnosing Power Steering Concerns - (Apr 29 2013) Hydraulic Steering      Subject: Diagnosing Power Steering Concerns Models:  2003-2006 Cadillac Escalade Models 2003-2006 Chevrolet Avalanche, Suburban, Tahoe 2003-2007 Chevrolet Silverado Classic 2003-2013 Chevrolet Express...
05-03-07-009F Wheel Alignment Specifications Requirements and Recommendations for GM Vehicles - (May 14 2013) Wheels - part 8      Troughs or grooves in the road can pull a vehicle to either side depending on wherein the groove the tire is.  The tires will always want to pull the vehicle up thewall of the trough. Trough Wander / Tramlining in vehicle...
05-03-07-009F Wheel Alignment Specifications Requirements and Recommendations for GM Vehicles - (May 14 2013) Wheels - part 7      A true steering wheel angle complaint can be diagnosed as a vehicle that goes straightdown the road without extra steering input, but the steering wheel angle is clockedto one side or the other.  Make sure to always note which...
05-03-07-009F Wheel Alignment Specifications Requirements and Recommendations for GM Vehicles - (May 14 2013) Wheels - part 6      Wheel Alignment Process When performing wheel alignment measurement and/or adjustment, the following stepsshould be taken: Preliminary Steps: Verify that the vehicle has a full tank of fuel (compensate as necessary).Inspect...
05-03-07-009F Wheel Alignment Specifications Requirements and Recommendations for GM Vehicles - (May 14 2013) Wheels - part 5      Preferred examples:Steering wheel is off angle in the counterclockwise direction by approximately x degreesor clocking position.Vehicle lead/pulls to the right at approximately x-y mph. Vehicle will climb the roadcrown. Severe,...
05-03-07-009F Wheel Alignment Specifications Requirements and Recommendations for GM Vehicles - (May 14 2013) Wheels - part 4      Any vehicle can exhibit tramlining due to uneven pavement or severe ruttingin the roads surface. All vehicles tramline to some degree, however vehicles equippedwith low aspectratio, wide tires tend to be more sensitive to this...
05-03-07-009F Wheel Alignment Specifications Requirements and Recommendations for GM Vehicles - (May 14 2013) Wheels - part 3      Figure 2: Tire Shoulder View Example 1 - “NORMAL” Tire "Feathering" Wear on the Shoulder Figure 3: Tire Shoulder View Example 2 - “NORMAL” Tire "Feathering" Wear Figure 4: Detail Side View of Tire Shoulder Area -...
05-03-07-009F Wheel Alignment Specifications Requirements and Recommendations for GM Vehicles - (May 14 2013) Wheels - part 2      Significant additionalmass can affect trim height and wheel alignment of the vehicle and may necessitatea customer pay wheel alignment when placed semi-permanently in the vehicle (Upfitterinstructionsare to realign the vehicle...
05-03-07-009F Wheel Alignment Specifications Requirements and Recommendations for GM Vehicles - (May 14 2013) Wheels      Subject: Wheel Alignment Specifications, Requirements and Recommendations for GM Vehicles Models:  2014 and Prior GM Passenger Cars and Light Duty Trucks     This bulletin is being revised to add the 2014...
05-03-08-002E Information on Diagnosis and Replacement of Shock Absorber and Strut Due to Fluid Leak - (May 31 2012) Strut Assembly Dampers Shocks - part 2      Oil drip or trail down the strut tube and originating from the shaft seal (locatedat the top of the strut tube).Extreme wet film of oil covering the strut tube and pooling in the spring seat andoriginating from the shaft...
05-03-08-002E Information on Diagnosis and Replacement of Shock Absorber and Strut Due to Fluid Leak - (May 31 2012) Strut Assembly Dampers Shocks      Subject: Information on Diagnosis and Replacement of Shock Absorber and Strut Due to FluidLeak Models:  2013 and Prior GM Passenger Cars and Trucks     This bulletin is being revised to add the 2013 model...
05-03-10-020D Use of Nitrogen Gas in Tires - (Sep 18 2012) Tires - part 2      General Motors works with tire suppliers to designand manufacture original equipment tires for GM vehicles. The GM TPC addresses requiredperformance with respect to both inflation pressure retention, and endurance propertiesfor...
05-03-10-020D Use of Nitrogen Gas in Tires - (Sep 18 2012) Tires      Subject: Use of Nitrogen Gas in Tires Models:  2013 and Prior GM Passenger Cars and Trucks     This bulletin is being revised to add the 2012 and 2013 model years. Please discardCorporate Bulletin Number...
06-03-09-004E Squeak Noise from Rear of Vehicle (Lubricate Rear Leaf Springs) - (May 3 2013) Springs      Subject: Squeak Noise from Rear of Vehicle (Lubricate Rear Leaf Springs) Models:  1999-2007 Chevrolet Silverado (Classic) 2007-2012 Chevrolet Colorado 2007-2013 Chevrolet Silverado 1999-2007 GMC Sierra...
07-02-32-002N Hydraulic Power Steering System Leak - Required Diagnostic Actions - (Sep 18 2013) Hydraulic Steering - part 2      Prying against the housing bore could scratch the housing bore and require steeringgear replacement. These seals are replaceable and any leak at the line to gear connection on these vehiclesshould be first addressed with a...
07-02-32-002N Hydraulic Power Steering System Leak - Required Diagnostic Actions - (Sep 18 2013) Hydraulic Steering      Subject: Hydraulic Power Steering System Leak – Required Diagnostic Actions Models:  2005-2014 GM Cars and Trucks Equipped with Hydraulic Steering This bulletin has been revised to add the 2014 model year...
07-03-10-008C Information on Slight or Mild Tire Feathering and Recommended Practices (Normal Tire Wear Condition) - (May 17 2012) Tires      Subject: Information on Slight or Mild Tire Feathering and Recommended Practices (Normal TireWear Condition) Models:  2006-2013 GM Passenger Cars and Light Duty Trucks     This bulletin is being revised to...
07-03-10-015C General Motors New Vehicle Wheel Warranty Coverage - (May 17 2013) Wheels - part 4      Dismounted wheel rims can bescratched and bent easily if abused before packing. This type of damage can mimicroad/curb damage creating a possible Feedback Report. Removal of Stick-On Adhesive Backed Wheel Weights Many...
07-03-10-015C General Motors New Vehicle Wheel Warranty Coverage - (May 17 2013) Wheels - part 3      Notice:Do not use cleaning solutions that contain hydrofluoric, oxalic and most other acidson chrome wheels (or any wheels). If the customer is unsure of the chemical make-up of a particular wheel cleaner, itshould be...
07-03-10-015C General Motors New Vehicle Wheel Warranty Coverage - (May 17 2013) Wheels - part 2      This damage is not warrantable and a Warranty Parts Center (WPC) RegionalFeedback Report was issued on this wheel. (Most WPC Regional Feedback Reports resultin a chargeback of the warranty claim to the dealership.)...
07-03-10-015C General Motors New Vehicle Wheel Warranty Coverage - (May 17 2013) Wheels      Subject: General Motors New Vehicle Wheel Warranty Coverage Models:  2014 and Prior GM Passenger Cars and Light Duty Trucks     This bulletin is being revised to add the 2013-2014 model years and remove the...
08-03-10-006D Tire Slowly Goes Flat Tire Air Loss Low Tire Pressure Warning Light Illuminated Aluminum Wheel Bead Seat Corrosion (Clean and Resurface Wheel Bead Seat) - (Nov 2 2011) Wheels - part 2      Bead seat corrosion is identified by what appears like blistering of the wheel finish,causing a rough or uneven surface that is difficult for the tire to maintain a properseal on. Below is a close-up photo of bead seat...
08-03-10-006D Tire Slowly Goes Flat Tire Air Loss Low Tire Pressure Warning Light Illuminated Aluminum Wheel Bead Seat Corrosion (Clean and Resurface Wheel Bead Seat) - (Nov 2 2011) Wheels      Subject: Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated,Aluminum Wheel Bead Seat Corrosion (Clean and Resurface Wheel Bead Seat) Models:  2005-2013 GM Passenger Cars and Light...
08-08-44-028A Information on Inadvertent Steering Wheel Control (SWC) Button Press Causing Radio Anomalies - (Apr 11 2012) Steering Wheel and Column      Subject: Information On Inadvertent Steering Wheel Control (SWC) Button Press Causing RadioAnomalies Models:  2013 and Prior GM Passenger Cars and Trucks All Vehicles with Steering Wheel Controls This...
09-03-10-013A Statement on Tire Sealant Included in GM Inflator Kits (Supplied with New Vehicles or as GM Accessory) - (Sep 14 2012) Tires      Subject: Statement on Tire Sealant Included in GM Inflator Kits (Supplied with New Vehiclesor as GM Accessory) Models:  2013 and Prior GM Passenger Cars and Light Duty Trucks Equipped with Tire Inflator Kits...
09-03-10-016A Wheel Balancing Machine Finish Damage to Chrome Clad or ChromeTech® Wheels - (Jul 18 2012) Wheels      Subject: Wheel Balancing Machine Finish Damage to Chrome Clad or ChromeTech® Wheels Models:  2013 and Prior GM Passenger Cars and Trucks Equipped with Plastic Clad Aluminum Wheels Attention:  The...
09-03-16-002B Dealership Service Consultant Procedure as Vehicle Comes into Service Drive for Tire Pressure Monitor (TPM) System Message Light and Customer Information - (May 10 2013) TPMS - part 5      - Q: What if my tire pressure light comes on and stays on solid with a Check Tire Pressure/LowTire Pressure/Add Air to Tire message- A: Simply add the proper amount of air to your tires. Refer to the Tire & Loading...
09-03-16-002B Dealership Service Consultant Procedure as Vehicle Comes into Service Drive for Tire Pressure Monitor (TPM) System Message Light and Customer Information - (May 10 2013) TPMS - part 4      If oneof these labor operations is used, the following Repair Order and Warranty Systemdocumentation are required: Document the customer complaint on the Repair Order.Document the TPMS DTC that has set on the Repair Order.Enter...
09-03-16-002B Dealership Service Consultant Procedure as Vehicle Comes into Service Drive for Tire Pressure Monitor (TPM) System Message Light and Customer Information - (May 10 2013) TPMS - part 3      Important:Recently, nitrogen gas (for use in inflating tires) has become available to the generalconsumer through some retailers. The use of nitrogen gas to inflate tires is a technologyused in automobile racing. Tires...
09-03-16-002B Dealership Service Consultant Procedure as Vehicle Comes into Service Drive for Tire Pressure Monitor (TPM) System Message Light and Customer Information - (May 10 2013) TPMS - part 2      Properlyadjusting all tire air pressures to the recommended levels will correct this (Referto the Tire and Loading Information Label on the driver side door).More detailed information can be found in the Owner Manual.Service is...
09-03-16-002B Dealership Service Consultant Procedure as Vehicle Comes into Service Drive for Tire Pressure Monitor (TPM) System Message Light and Customer Information - (May 10 2013) TPMS      Subject: Dealership Service Consultant Procedure as Vehicle Comes into Service Drive for TirePressure Monitor (TPM) System Message, Light and Customer Information Models:  2006-2014 GM Passenger Cars and Light...
10-03-10-001B Revised Wheel Balancer Mounting Instructions (Heavy Duty Models Only) - (Jun 14 2013) Wheels - part 4      Method 2: Alternate Method (Hunter TruckChuck®) Secure the Hunter TruckChuck®, 20-1602-1, to the center bore of the rim. Ensure thechuck is secure and uniformly attached.Hunter TruckChuck® Correctly Attached (Rear View)...
10-03-10-001B Revised Wheel Balancer Mounting Instructions (Heavy Duty Models Only) - (Jun 14 2013) Wheels - part 3      Record the needed correction weight and mark the correction weightlocation on the tire with a tire pencil. This will be recorded as “Spin 2.” dimensions Evaluate Results: When the two test spins have been completed, the...
10-03-10-001B Revised Wheel Balancer Mounting Instructions (Heavy Duty Models Only) - (Jun 14 2013) Wheels - part 2      When using truck wheel balancers, it is important to use the proper settings on themachine for the appropriate assembly to get within +/- 0.5-oz (15-g) maximum balancetolerance. Typical modes are truck, RV or car. Refer to...
10-03-10-001B Revised Wheel Balancer Mounting Instructions (Heavy Duty Models Only) - (Jun 14 2013) Wheels      Subject: Revised Wheel Balancer Mounting Instructions (Heavy Duty Models Only) Models:  2011-2014 Chevrolet Silverado 2500HD-3500HD 2011-2014 GMC Sierra 2500HD-3500HD This bulletin is being revised to add...
10-05-23-001C Brake Induced Pulsation Vibration Felt in Steering Wheel Rumble Noise from Underbody During Downhill Descent (Verify Condition and Replace Front Brake Pads) - (Oct 29 2012) - part 2      If the condition described HAS NOT been verified, or if the condition observed ISNOT most noticeable through the steering wheel, the observed condition may have adifferent cause, such as a tire/wheel or rear brake issue, etc....
10-05-23-001C Brake Induced Pulsation Vibration Felt in Steering Wheel Rumble Noise from Underbody During Downhill Descent (Verify Condition and Replace Front Brake Pads) - (Oct 29 2012)      Subject: Brake Induced Pulsation/Vibration Felt in Steering Wheel, Rumble Noise from UnderbodyDuring Downhill Descent (Verify Condition and Replace Front Brake Pads) Models:  2008 Chevrolet Silverado Light Duty...
12-02-32-001A Hydraulic Power Steering Leak at Hose Connection to Steering Rack - (Feb 21 2013) Hydraulic Steering - part 2      Dothis for both ports.Grasp the hose tubes and align to the ports. Insert the tube ends until you feelthem “snug-up” in the seals. (Note: there will be a gap between the connection plateand the gear housing.) Do not allow the...
12-02-32-001A Hydraulic Power Steering Leak at Hose Connection to Steering Rack - (Feb 21 2013) Hydraulic Steering      Subject: Hydraulic Power Steering Leak at Hose Connection to Steering Rack Models:  2007-2013 Cadillac Escalade Models 2007-2013 Chevrolet Avalanche, Silverado, Suburban, Tahoe 2007-2013 GMC Sierra, Yukon...
12-02-32-003 Pop Click or Clunk Noise Coming from Steering Gear at Low Speeds over Bumps - Click or Clunk Felt through Steering Column to Steering Wheel - (Aug 9 2012) Steering Wheel and Column      Subject: Pop, Click or Clunk Noise Coming from Steering Gear at Low Speeds over Bumps – Clickor Clunk Felt through Steering Column to Steering Wheel Models:  2007-2013 Cadillac Escalade Models 2007-2013...
12-03-10-001 Vibration Shortly After Tires are Mounted Preventing Vibration from Wheel Slip (Tire Sliding on Wheel) - (Mar 23 2012) Wheels - part 3      It may take up to 24 hours before the lubricant is completely dryand tires achieve maximum adherence to the rims. No matter the style of driving exhibitedduring the drying period, no air loss, or other detrimental attributes...
12-03-10-001 Vibration Shortly After Tires are Mounted Preventing Vibration from Wheel Slip (Tire Sliding on Wheel) - (Mar 23 2012) Wheels - part 2      When lubricating the wheel,lubricate the safety humps, leave the rim flanges dry and lubricate the drop centerarea only fordifficult to mount tires.When additional lubrication is required during mounting to prevent tire damage,...
12-03-10-001 Vibration Shortly After Tires are Mounted Preventing Vibration from Wheel Slip (Tire Sliding on Wheel) - (Mar 23 2012) Wheels      Subject: Vibration Shortly After Tires are Mounted/Preventing Vibration from Wheel Slip (TireSliding on Wheel) Models:  2013 and Prior GM Passenger Cars and Trucks     Information: Vibration Caused by Wheel...
12-03-10-002 Proper Wheel Installation and Wheel Torque Techniques - (Nov 26 2012) Wheels      Subject: Proper Wheel Installation and Wheel Torque Techniques Models:  2006-2013 GM Passenger Cars and Light Duty Trucks     Some customer may report vibration in the steering wheel or the seat centered at...
12-03-10-003 Diagnostic Tips for Difficult to Resolve Tire Wheel Vibration Concerns - (Dec 7 2012) - part 5      7) Contact TAC If the Customer Concern still exists and all of the measurements are in specification,contact the Technical Assistance Center (TAC) with completed worksheets. Reference Document #1 tire/wheel and rotation vw...
12-03-10-003 Diagnostic Tips for Difficult to Resolve Tire Wheel Vibration Concerns - (Dec 7 2012) - part 4      It may be of benefit to have the lowest RFV assemblyto the front left corner. Re-check on the EVA and if the problem still exists, testanother vehicle to find tire(s) that do not exhibit the same frequency and swap thosetires...
12-03-10-003 Diagnostic Tips for Difficult to Resolve Tire Wheel Vibration Concerns - (Dec 7 2012) - part 3      Position the dial indicator on the taped portion of the tire tread so that the dialindicator is perpendicular to the tire tread surface.Slowly rotate the tire and wheel assembly one complete revolution in order to findthe low...
12-03-10-003 Diagnostic Tips for Difficult to Resolve Tire Wheel Vibration Concerns - (Dec 7 2012) - part 2      Proper tire size and type, including if the tires are original equipmentMissing balance weightsVerify tire pressuresDamaged wheelDamaged tireLug nut torqueTire or tire wear irregularitiesMud/ice or other material build-up in...
12-03-10-003 Diagnostic Tips for Difficult to Resolve Tire Wheel Vibration Concerns - (Dec 7 2012)      Subject: Diagnostic Tips for Difficult to Resolve Tire/Wheel Vibration Concerns Models:  2007-2013 Cadillac Escalade Models 2007-2013 Chevrolet Avalanche, Silverado, Suburban, Tahoe 2007-2013 GMC Sierra,...
12-05-26-001 Information on Resurfacing Park Brake Portion of Rear Brake Rotor - (May 18 2012) Parking Brake      Subject: Information on Resurfacing Park Brake Portion of Rear Brake Rotor Models:  2013 and Prior GM Passenger Cars and Trucks Equipped with Drum and Hat Park Brake Design This bulletin is being issued to...
12331A F CMVSS Noncompliance - Steering Column Lock Actuator Gear - (Jan 4 2013) Steering Wheel and Column - part 4      As a result, GM is conducting a recall. We apologize for this inconvenience. However,we are concerned about your safety and continued satisfaction with our products. Important: Your vehicle is involved in recall...
12331A F CMVSS Noncompliance - Steering Column Lock Actuator Gear - (Jan 4 2013) Steering Wheel and Column - part 3      The US National Traffic and Motor Vehicle Safety Act provides that each vehicle thatis subject to a recall of this type must be adequately repaired within a reasonabletime after the customer has tendered it for repair. A...
12331A F CMVSS Noncompliance - Steering Column Lock Actuator Gear - (Jan 4 2013) Steering Wheel and Column - part 2      Parts Information Steering column assemblies are to be obtained by sending an email to Nexteer at timothy.childs@nexteer.com or danny.goree@nexteer.com. Steering columns will be shipped to dealers at no-charge. The following...
12331A F CMVSS Noncompliance - Steering Column Lock Actuator Gear - (Jan 4 2013) Steering Wheel and Column      Subject: 12331A — Steering Column Lock Actuator Gear Models:  2013 Cadillac Escalade, Escalade ESV and Escalade EXT 2013 Chevrolet Avalanche, Express, Silverado HD, Silverado LD, Suburban and Tahoe 2013 GMC...
ABS Description and Operation Dynamics Control ABS Control - part 6      The IPC illuminates the ABS indicator when the following occurs. The EBCM detects an ABS-disabling malfunction and sends a serial data message to theIPC requesting illumination.The IPC performs the bulb check.The IPC detects a...
ABS Description and Operation Dynamics Control ABS Control - part 5      Therefore, at the beginning of each ignitioncycle, the EBCM must perform an initialization procedure to observe how the VSES sensorsare correlated with each other and also to determine what each sensor value is whenthe...
ABS Description and Operation Dynamics Control ABS Control - part 4      When a yaw rate error isdetected, the EBCM attempts to correct the vehicle's yaw motion by applying brakepressure to one or more of the wheels. The amount of brake pressure which is appliedvaries, depending on the correction...
ABS Description and Operation Dynamics Control ABS Control - part 3      The isolation valve is opened and the dump valve is closed. The increasedpressure is delivered from the master cylinder. Electronic Brake Distribution (EBD) The electronic brake distribution (EBD) is a control system that...
ABS Description and Operation Dynamics Control ABS Control - part 2      As the wheel spins, the wheel speed sensor produces a square wave DCsignal voltage. The wheel speed sensor increases the signal frequency as the wheelspeed increases, but does not increase the signal amplitude.Yaw/lateral...
ABS Description and Operation Dynamics Control ABS Control      This vehicle is equipped with a Bosch ABS/EBD/TCS/VSES brake system. The electronicbrake control module (EBCM) and the brake pressure modulator valve is serviced separately.The brake pressure modulator valve uses a 4-circuit...
Airbag Steering Wheel Module Coil Centering Steering Wheel and Column      Caution:The new SIR coil assembly will be centered. Improperalignment of the SIR coil assembly may damage the unit, causing aninflatable restraint malfunction. Verify the following conditions before centering the...
Airbag Steering Wheel Module Replacement Steering Wheel and Column      Airbag Steering Wheel Module Replacement Callout Component Name Warning:Refer toSIR Inflator Module Handling and Storage Warning. Warning:Refer toSIR Warning. Preliminary Procedure Disable the supplemental...
All Seasons Tires Description Wheels      Most GM vehicles are equipped with steel belted all-seasonradial tires as standard equipment. These tires qualify as snowtires, with a higher than average rating for snow traction than thenon-all season radial tires...
Antilock Brake System Automated Bleed Dynamics Control ABS Control - part 5      Refer toHydraulic Brake System Bleeding.If the brake pedal feel is now firm, repeat the automated bleeding procedure.If the brake pedal stills feels spongy after repeating the base hydraulic brake systembleeding procedure,...
Antilock Brake System Automated Bleed Dynamics Control ABS Control - part 4      Do not leave the bleeder valve open for longer than-60-seconds. If the RR bleeder valve was not fully bled within the-60-second cycle time, pressStart to repeat Step-47-until the brake fluid is clear of any air.Press Enter to...
Antilock Brake System Automated Bleed Dynamics Control ABS Control - part 3      When instructed by the scan tool, stop performing the brake applications and pressEnter. The scan tool will instruct to perform Steps-23–25-2-more times. When instructed by the scan tool, press Start to continue. Note:The...
Antilock Brake System Automated Bleed Dynamics Control ABS Control - part 2      Using the scan tool, perform the following steps:Select DiagnosticsSelect the appropriate vehicle informationSelect ChassisSelect Electronic Brake Control Module (EBCM)Select Special FunctionsSelect Automated BleedPress Start...
Antilock Brake System Automated Bleed Dynamics Control ABS Control      Special ToolsJ-29532 Diaphragm Pressure BleederJ-29532-A Brake Pressure Bleeder, or equivalentJ 35589-A Brake Bleeder Adapter, or equivalent Warning:At times during this brake bleed procedure brake fluid willbe under higher...
Brake and Accelerator Pedal Adjuster Position Sensor Replacement (With Memory Seats)      Removal ProcedureTurn the ignition switch to the OFF position.Remove the driver knee bolster. Refer toKnee Bolster Replacement. Disconnect the adjustable pedal position sensor jumperharness electrical connector-(1)....
Brake Assist System Description and Operation (Hydraulic Assist)      (1) Master Cylinder (2) Power Brake Booster OutletHose (3) Power Brake Booster InletPipe/Hose (4) Hydraulic Brake Booster (5) Power Steering Gear InletPipe/Hose (6) Steering Gear (7) Power...
Brake Caliper Inspection Disc Brakes Brake Calipers      Warning:Refer toBrake Dust Warning. Inspect the brake caliper housing-(1) for cracks,excess wear, and/or damage. If any of these conditions are present,the brake caliper requires replacement.Inspect the caliper piston dust...
Brake Combination Valve Replacement Hydraulic Brakes Master Cylinder      Removal Procedure Raise and support the vehicle. Refer toLifting and Jacking the Vehicle.Disconnect the electrical connector from the combinationvalve.Disconnect the front and rear brake pipes from thecombination...
Brake Drum Diameter Measurement Drum Brakes      Clean the brake shoe lining contact surface of the brake drumwith denatured alcohol or an equivalent brake cleaner.Using a brake drum micrometer calibrated in thousands of aninch, measure and record the largest diameter of...
Brake Drum Replacement Drum Brakes      Special Tools J-42450-AWheel Hub Resurfacing Kit Removal Procedure Warning:Refer toBrake Dust Warning. Raise and support the vehicle. Refer toLifting and Jacking the Vehicle.Remove the tire and wheel assembly. Refer toTire...
Brake Drum Surface and Wear Inspection Drum Brakes      Special Tools J 8001 Dial Indicator Set , or equivalent Warning:Refer toBrake Dust Warning. With the brake drum removed, clean the braking (friction) surface of the brake drumwith denatured alcohol or an equivalent approved...
Brake Fluid Level Indicator Switch Replacement (Non-Hybrid)      Brake Fluid Level Indicator Switch Replacement Callout Component Name Preliminary Procedure Disconnect the master cylinder fluid level sensor electricalconnector. 1 Master Cylinder Fluid Level Sensor...
Brake Fluid Level Indicator Switch Replacement (Two-mode Hybrid)      Brake Fluid Level Indicator Switch Replacement Callout Component Name Preliminary ProceduresPlace the ignition switch in the OFF position.Disconnect the brake fluid level sensor electricalconnector. 1 Brake...
Brake Master Cylinder Adapter Replacement Hydraulic Brakes Master Cylinder      Removal ProcedurePlace the transmission in the PARK or NEUTRALposition.Apply the park brake. Note:The ignition must be in the OFF position, without pausing atACCESSORY, and without applying the brake pedal to ensure the...
Brake Master Cylinder Pressure Sensor Replacement Hydraulic Brakes Master Cylinder      Brake Master Cylinder Pressure Sensor Replacement Callout Component Name Warning:Refer toBrake Fluid Irritant Warning. Caution:Refer toBrake Fluid Effects on Paint and Electrical Components Caution. Preliminary...
Brake Master Cylinder Primary Piston Position Sensor Replacement Hydraulic Brakes Master Cylinder      Removal Procedure Note:The ignition must be in the OFF position, without pausing atACCESSORY, and without applying the brake pedal to ensure the brakemodulator and high pressure accumulator (HPA) pressure reliefoccurs. This...
Brake Pad Inspection Disc Brakes Brake Pads      Warning:Refer toBrake Dust Warning. Inspect the disc brake pads at regular intervals, or wheneverthe tire and wheel assemblies are removed from the vehicle.If replacement is necessary, always replace disc brake padsin axle...
Brake Pedal Assembly Replacement (J90 J95 J96 JH6 Two-mode Hybrid) Hydraulic Brakes Brake Pedal Assembly      Removal ProcedureBlock the drive wheels. Disconnect the brake pedal position sensor electrical connector.Remove the brake pedal position sensor bolt-(1). Remove the brake pedal position sensor-(1). Remove the power...
Brake Pedal Pushrod Inspection Hydraulic Brakes Brake Pedal Assembly      Disconnect the brake pedal pushrod-(1) from thebrake pedal.Inspect the brake pedal pushrod eyeletbushing-(2), if equipped, for cracks and/or excessivewear.Reposition the pedal pushrod boot-(3) toward thefront of the vehicle...
Brake Pedal Travel Measurement and Inspection (Non-Hybrid) Hydraulic Brakes Brake Pedal Assembly      Special Tools J-28662 Brake Pedal Effort Gauge With the ignition OFF and the brakes cool, apply the brakes 3–5-times, or until thebrake pedal becomes firm, in order to deplete the brake booster power reserve.Install the...
Brake Pipe Replacement - part 2      Inspect the stripped end of the brake pipe to ensure that the proper amount of coatinghas been removed. Specification 6.35-mm (0.250-in) for 4.76-mm (3/16-in) diameter pipe9.50-mm (0.374-in) for 6.35-mm (1/4-in) and 7.94-mm...
Brake Pipe Replacement      Special Tools CH-45405 Brake Pipe Flaring Kit For equivalent regional tools, refer toSpecial Tools. Warning:Refer toBrake Fluid Irritant Warning. Warning:Always use double walled steel brake pipe when replacingbrake...
Brake Pressure Modulator Valve Replacement - part 2      Slide the EBCM/BPMV and bracketassembly-(1)-toward the center of the vehicleand remove the assembly from the vehicle frame.Place the EBCM/BPMV and bracket assembly on a clean worksurface. Remove the BPMV bolts-(1)....
Brake Pressure Modulator Valve Replacement      Removal Procedure Warning:The high pressure accumulator-(HPA) and thechambers of the brake modulator assembly to which it attaches,store brake fluid at extremely high pressures. Fluid pressure mustbe relieved before attempting...
Brake Pressure Modulator Valve Replacement (With JL4)      Removal Procedure Caution:Refer toBrake Fluid Effects on Paint and Electrical Components Caution. Place the ignition switch in the OFF position.Raise and support the vehicle. Refer toLifting and Jacking the Vehicle.Clean the...
Brake Rotor Assembled Lateral Runout Measurement (JD9 JF3 JF7 JG4) Disc Brakes Brake Rotors      Special ToolsCH-39544-KIT Complete Torque Socket Set, or equivalentCH-41013 Rotor Resurfacing KitCH-42450-A Wheel Hub Resurfacing KitCH-45101 Hub and Wheel Runout GaugeCH-45101-100 Conical Brake Rotor Washers For equivalent...
Brake Rotor Drum Balance Inspection Disc Brakes Brake Rotors      Support the vehicle drive axle on a suitable hoist. Refer toLifting and Jacking the Vehicle.Remove the tire and wheel assemblies from the drive axle.Refer toTire and Wheel Removal and Installation. Warning:Refer toWork Stall...
Brake Rotor Thickness Measurement Disc Brakes Brake Rotors      Warning:Refer toBrake Dust Warning If the inboard friction surface of the brake rotor is not accessible, reposition andsupport the caliper with the brake pads. Refer toFront Disc Brake Pads Replacementand/orRear Disc Brake...
Brake Rotor Thickness Variation Measurement Disc Brakes Brake Rotors      Warning:Refer toBrake Dust Warning. Note:Any disc brake rotor that exhibits thickness variationexceeding the maximum acceptable level must be refinished orreplaced. Thickness variation exceeding the maximum acceptablelevel...
Brake Shoe Replacement Drum Brakes Drum Shoes      Removal Procedure Warning:Refer toBrake Dust Warning. Note:Always replace brake shoes in axle sets. Remove the brake drum. Refer toBrake Drum Replacement. Remove the brake shoe adjuster actuator lever spring-(1). Remove...
Brake System Hydraulic Assist and Control Description and Operation (Two-mode Hybrid) - part 4      This mechanicalforce is converted into hydraulic pressure by the primary piston ofthe master cylinder. The pressurized brake fluid from the primary piston isdelivered to the brake modulator assembly and is directed withinthe...
Brake System Hydraulic Assist and Control Description and Operation (Two-mode Hybrid) - part 3      When the ignition is turned to OFF, without pausing atACCESSORY, and the brake pedal is not applied, the system willdeactivate and depressurize. As the system begins to depressurize,brake fluid will discharge from the HPA and...
Brake System Hydraulic Assist and Control Description and Operation (Two-mode Hybrid) - part 2      Sensor data of HPAfluid pressure is used by the modulator to operate the pump tomaintain the pressure of the brake fluid at the HPA withinoperating range. Working pressure of the HPA stored fluidis-140–180-bar(2030–2610-psi)....
Brake System Hydraulic Assist and Control Description and Operation (Two-mode Hybrid)      System Component Description master cylinder high pressure pessure normally control unit accumulator closed compliance accumulator pump The hydraulic brake system consists of the following: Hydraulic Brake Master Cylinder...
Brake System Warning Light      With the ignition on, the brake system warning light comes on when the parking brakeis set. If the vehicle is driven with the parking brake engaged, a chime sounds whenthe vehicle speed is greater than 8-km/h (5-mph). The...
Camber Description Wheels      Camber is the tilting of the wheels from the vertical whenviewed from the front of the vehicle. When the wheels tilt outwardat the top, the camber is positive-(+). When the wheeltilts inward at the top, the camber...
Caster Description Wheels      Caster is the tilting of the uppermost point of the steeringaxis either forward or backward, when viewed from the side of thevehicle. A backward tilt is positive-(+) and a forwardtilt is negative-(?). Caster...
Drivetrain and Front Suspension Frame Front Crossmember Replacement (1500 Series)      Drivetrain and Front Suspension Frame Front Crossmember Replacement Callout Component Name Preliminary Procedure Remove the oil pan skid plate. Refer toOil Pan Skid Plate Replacement. 1 Engine Front...
Drivetrain and Front Suspension Frame Front Crossmember Replacement (2500 3500 Series)      Drivetrain and Front Suspension Frame Front Crossmember Replacement Callout Component Name Preliminary ProceduresRaise the vehicle. Refer toLifting and Jacking the Vehicle.If equipped, remove the oil pan skid plate....
Drivetrain and Front Suspension Frame Insulator Replacement (Regular Cab)      Removal Procedure Note:Ensure that the vehicle is unloaded prior to bodyremoval. Remove the master cylinder. Perform the followingsteps:Remove the nuts retaining the master cylinder to the brakebooster.Remove the master...
Drum Brake Adjusting Hardware Inspection Drum Brakes      Warning:Refer toBrake Dust Warning. Visually inspect the adjuster actuatorspring-(1)-for the followingconditions:Excessive stretching, twisting, or bindingExcessive bending or breakage at any pointExcessive...
Drum Brake Adjusting Hardware Replacement Drum Brakes      Removal Procedure Warning:Refer toBrake Dust Warning. Remove the brake drum. Refer toBrake Drum Replacement. Remove the brake shoe adjuster actuator leverspring-(1). Remove the adjuster actuator lever-(1). Spread the...
Drum Brake Adjustment Drum Brakes      Special ToolsJ 21177-A Drum to Brake Shoe Clearance GaugeJ 42450-A Wheel Hub Resurfacing Kit Warning:Refer toBrake Dust Warning. Note:This procedure must be performed after replacing the brake shoes or whenever the brakeshoes...
Drum Brake Hardware Inspection Drum Brakes      Warning:Refer toBrake Dust Warning. Visually inspect the hold down springs and cups-(1)-for the following conditions:Binding spring coilsBroken spring coilsMissing springsMissing spring cupsBent hold down spring pinsBroken...
Drum Brake Hardware Replacement Drum Brakes      Removal Procedure Warning:Refer toBrake Dust Warning. Remove the drum brake adjusting hardware. Refer toDrum Brake Adjusting Hardware Replacement. Remove the brake shoe hold down springs andcups-(1). Compress the spring and...
Electronic Brake Control Module Replacement Dynamics Control ABS Control      Electronic Brake Control Module Replacement Callout Component Name Caution:Always connect or disconnect the wiring harness connectorfrom the EBCM/EBTCM with the ignition switch in the OFF position.Failure to observe...
Endgate Torque Rod Replacement Control Arms      Endgate Torque Rod Replacement Callout Component Name Preliminary Procedure Remove the endgate. Refer toEndgate Replacement. 1 Torque Rod Retainer Bolt Caution:Refer toFastener Caution. Tip:Loosen bolt...
Evaporative Emission Canister Replacement (Cab Chassis)      Evaporative Emission Canister Replacement Callout Component Name Preliminary ProcedureRaise and support the vehicle. Refer toLifting and Jacking the Vehicle.Disconnect the quick connect fittings. Refer toPlastic...
Exhaust Brake      The heavy duty diesel pickups have an exhaust brake toenhance the vehicle brake system, and reduce brake lining wear. Aswitch is used to activate the system, and is located below theclimate controls in the center of the...
Exhaust Seal Replacement (ZW9 Cab Chassis)      Removal Procedure Remove the left catalytic converter, if required. Refer toCatalytic Converter Replacement - Left Side.Remove the exhaust manifold pipe, if required. Refer toExhaust Manifold Pipe Replacement.Remove and...
Front Brake Caliper Bracket Replacement (J90 J95 J96) Disc Brakes Brake Calipers      Removal Procedure Warning:Refer toBrake Dust Warning. Remove the front disc brake pads. Refer toFront Disc Brake Pads Replacement. Remove the front brake caliperbracket-(1)-from the caliper. Note:The upper brake caliper...
Front Brake Caliper Bracket Replacement (JD9 JF3 JF7 JG4) Disc Brakes Brake Calipers      Front Brake Caliper Bracket Replacement Callout Component Name Warning:Refer toBrake Dust Warning. Caution:Support the brake caliper with heavy mechanic wire, orequivalent, whenever it is separated from its mount...
Front Brake Caliper Hardware Replacement (J90 J95 J96) Disc Brakes Brake Calipers      Removal Procedure Warning:Refer toBrake Dust Warning. Remove the brake caliper bracket. Refer toFront Brake Caliper Bracket Replacement. Remove the brake caliper guide pinseals-(1).Remove the brake caliper guide...
Front Brake Caliper Hardware Replacement (JD9 JF3 JF7 JG4) Disc Brakes Brake Calipers      Front Brake Caliper Hardware Replacement Callout Component Name Warning:Refer toBrake Dust Warning. Caution:Support the brake caliper with heavy mechanic wire, orequivalent, whenever it is separated from its mount...
Front Brake Caliper Replacement (JD9 JF3 JF7 JG4) Disc Brakes Brake Calipers      Front Brake Caliper Replacement Callout Component Name Warning:Refer toBrake Dust Warning. Warning:Refer toBrake Fluid Irritant Warning. Preliminary ProceduresRaise and support the vehicle. Refer toLifting and...
Front Brake Hose Replacement (JD9 JF3 JF7 JG4) Hydraulic Brakes Brake Lines      Front Brake Hose Replacement Callout Component Name Warning:Refer toBrake Dust Warning. Warning:Refer toBrake Fluid Irritant Warning. Preliminary ProceduresRaise and support the vehicle. Refer toLifting and Jacking...
Front Brake Rotor Replacement (J90 J96) Disc Brakes      Removal Procedure Warning:Refer toBrake Dust Warning. Raise and support the vehicle. Refer toLifting and Jacking the Vehicle.Remove the tire and wheel assembly. Refer toTire and Wheel Removal and Installation. Remove the...
Front Brake Rotor Replacement (JD9 JF3 JF7 JG4) Disc Brakes      Front Brake Rotor Replacement Callout Component Name Warning:Refer toBrake Dust Warning. Caution:Support the brake caliper with heavy mechanic wire, orequivalent, whenever it is separated from its mount and...
Front Brake Shield Replacement (JD9 JF3 JF7 JG4) Disc Brakes      Front Brake Shield Replacement Callout Component Name Warning:Refer toBrake Dust Warning. Preliminary ProceduresRaise and support the vehicle. Refer toLifting and Jacking the Vehicle.Remove the tire and wheel...
Front Caster and Camber Adjustment Wheels      Note:Caster measurements are now relative to ground. The caster and camber adjustments are made by rotating theoffset cam bolt and the cam in the slotted frame bracket in orderto reposition the control arm. Note:Before...
Front Disc Brake Pads Replacement (JD9 JF3 JF7 JG4) Disc Brakes Brake Pads      Front Disc Brake Pads Replacement Callout Component Name Warning:Refer toBrake Dust Warning. Caution:Support the brake caliper with heavy mechanic wire, orequivalent, whenever it is separated from its mount and...
Front End Upper Tie Bar Replacement Tie Rods and Linkage      Front End Upper Tie Bar Replacement Callout Component Name Preliminary ProceduresRemove the front end sheet metal diagonal brace. Refer toFront End Sheet Metal Diagonal Brace Replacement.Remove the upper fan shroud...
Front Wheel Hub Bearing and Seal Replacement (1500) Hub Bearings      Front Wheel Hub, Bearing, and Seal Replacement Callout Component Name Preliminary ProcedureRaise and support the vehicle. Refer toLifting and Jacking the Vehicle.Remove the front brake rotor. Refer toFront Brake Rotor...
Front Wheel Hub Bearing and Seal Replacement (2500 3500) Hub Bearings      Removal Procedure Caution:Never place vehicle on the ground with the halfshaft removedor the halfshaft nut torqued improperly. Otherwise, bearing sealsmay become dislodged causing premature wear and/or damage to thehub and...
Front Wheel Speed Sensor Replacement Sensors Wheel Speed Sensors      Front Wheel Speed Sensor Replacement Callout Component Name Warning:Refer toBrake Dust Warning. Preliminary ProceduresRaise and support the vehicle. Refer toLifting and Jacking the Vehicle.Remove the tire and wheel...
Fuel Line Replacement - Chassis (Cab Chassis with Balance Pump)      Removal Procedure Remove the front and auxiliary fuel tanks. Refer toFuel Tank Replacement.Disconnect the pressure balance pump electricalconnector. Remove the fuel bundle nuts.Remove the fuel bundle.Installation...
Fuel Line Replacement - Chassis (Pickup)      Removal Procedure Disconnect the fuel feed and return lines. Refer toMetal Collar Quick Connect Fitting Service.Remove the fuel line bracket nut.Remove the fuel line bracket from the stud.Raise and suitably support the...
Fuel Line Replacement - Chassis (Regular Cab)      Removal Procedure Note:Clean all fuel and evaporative emission (EVAP) linesconnections and surrounding areas prior to disconnecting the linesin order to avoid possible fuel and/or EVAP systemcontamination. Relieve the fuel...
Fuel Tank Filler Hose Replacement (Cab Chassis)      Removal Procedure Drain the fuel below the fuel fill neck. Refer toFuel Tank Draining.Remove the filler housing fasteners-(1). Remove the filler hose ground fastener-(1).Loosen the hose clamps-(2).Remove the fuel tank...
Fuel Tank Replacement (Cab Chassis - Front)      Removal Procedure Relieve the fuel system pressure. Refer toFuel Pressure Relief.Drain the fuel tank. Refer toFuel Tank Draining.Remove the fuel shieldfasteners-(1)-and fuelshield-(2). Loosen the filler hose...
Fuel Tank Replacement (Cab Chassis - Front)      Removal ProcedureRaise and suitably support the vehicle. Refer toLifting and Jacking the Vehicle. Disconnect the fuel and evaporative emission lines-(1). If equipped, disconnect therear connections. Refer toPlastic Collar...
Fuel Tank Replacement (Cab Chassis - Rear)      Removal Procedure Relieve the fuel system pressure. Refer to theFuel Pressure Relief.Raise the vehicle. Refer toLifting and Jacking the Vehicle.Drain the fuel tank. Refer toFuel Tank Draining.Remove the fuel tank...
Fuel Tank Replacement (Cab Chassis - Rear)      Removal Procedure Loosen the fuel fill and vent hose clamps-(1,-2) at the tank.Remove the fuel fill and vent hose from the tank.Drain the fuel tank. Refer toFuel Tank Draining. Disconnect the sending unit electrical...
Heated Oxygen Sensor Replacement - Bank 1 Sensor 1 (2500 Series - Cab Chassis)      Removal Procedure Caution:Refer toHeated Oxygen and Oxygen Sensor Caution Raise and support the vehicle. Refer toLifting and Jacking the Vehicle.Unbolt the front propeller shaft from the front differential,if equipped with...
Hood Strut Replacement Strut Assembly      Hood Strut Replacement Callout Component Name Warning:When a hood hold open device is being removed or installed,provide alternate support to avoid the possibility of damage to thevehicle or personal injury. 1...
Hydraulic Brake Booster Leak Inspection Hydraulic Brakes Brake Booster      Note:The power brake booster may appear wet due to excessiveassembly fluid used during manufacture or brake fluid which mayhave been spilled during hydraulic brake system fill. To preventunnecessary replacement of the power...
Hydraulic Brake Component Operation Visual Inspection Hydraulic Brakes      Warning:Refer toBrake Fluid Irritant Warning. Caution:Refer toBrake Fluid Effects on Paint and Electrical Components Caution. With the tire and wheel assemblies removed and the brakerotors retained by wheel lug nuts,...
Idler Arm Inspection Tie Rods and Linkage      Special ToolsJ 35999 Spring ScaleJ 42640 Steering Column Anti-Rotation PinJ 45101 Hub and Wheel Runout GaugeRaise the vehicle on a hoist and support it with jackstands. Refer toLifting and Jacking the Vehicle. Caution:With...
Idler Arm Replacement Tie Rods and Linkage      Special Tools J 24319-B Steering Linkage and Tie Rod Puller Removal Procedure Caution:Do not attempt to free the ball stud by using a pickle forkor wedge type tool, because seal or bushing damage could result.Use the proper...
Input and Output Speed Sensor Replacement Sensors Wheel Speed Sensors      Input and Output Speed Sensor Replacement Callout Component Name Preliminary ProceduresRaise and support the vehicle. Refer toLifting and Jacking the Vehicle.Remove the transmission fluid pan and filter. Refer...
Input Speed Sensor Installation Sensors Wheel Speed Sensors      Inspect the input speed sensor-(ISS) assembly forthe following conditions:Cracked or damaged housingWorn, broken or missing harness brackets; replace the ISSassembly if necessaryDamaged or worn wining or electrical...
Input Speed Sensor Removal Sensors Wheel Speed Sensors      Remove the input speed sensor-(ISS) retainingbolt-(247).Use a small tipped screwdriver to carefully pry the ISSwiring harness retaining brackets from the pump housing. Beingcareful not to damage retainer clips.Remove the...
Jounce Bumper Replacement (1500) Bump Stops      Jounce Bumper Replacement Callout Component Name Preliminary ProcedureRaise and support the vehicle. Refer toLifting and Jacking the Vehicle.Remove the tire and wheel. Refer toTire and Wheel Removal and Installation....
Leaf Spring Replacement (1500) Springs      Removal ProcedureRaise and support the vehicle. Refer toLifting and Jacking the Vehicle.Support the rear axle independently in order to relieve the tension on the leaf springs.Remove the trailer hitch, if equipped. Refer...
Leaf Spring Replacement (2500 3500)      Removal ProcedureRaise and support the vehicle. Refer toLifting and Jacking the Vehicle. Note:Support the axle independently from the vehicle. Support the rear axle to relieve the tension on the leaf springs. Note:For the 3500...
Lower Control Arm Ball Joint Inspection Suspension Ball Joints      Special Tools J-8001Dial Indicator For equivalent regional tools, refer toSpecial Tools. Note: The vehicle must rest on a level surface.The vehicle must be stable. Do not rock the vehicle on thefloor stands.Raise and...
Lower Control Arm Ball Joint Replacement (1500) Suspension Ball Joints      Special ToolsCH-49240 Ball Joint Crimper and Install KitJ–41805 Ball Joint Remover Install Kit For equivalent regional tools, refer toSpecial Tools. Removal ProcedureRaise and support the vehicle. Refer toLifting and Jacking...
Lower Control Arm Ball Joint Replacement (2500 3500) Suspension Ball Joints      Special ToolsCH-49240Ball Joint Crimper and Install KitJ-41805Ball Joint remover/Installer For equivalent regional tools, refer toSpecial Tools. Removal ProcedureRaise and support the vehicle. Refer toLifting and Jacking the...
Lower Control Arm Replacement (1500) Control Arms Lower Control Arm      Special ToolsCH -3631 Ball Joint SeparatorJ-45851 Ball Joint Separator Protector Adapters For equivalent regional tools, refer toSpecial Tools. Removal Procedure Note:For vehicles equipped with the aluminum lower control arm,...
Lower Control Arm Replacement (2500 3500) Control Arms Lower Control Arm      Special ToolsCH-43631Ball Joint SeparatorJ-45851Ball Joint Separator Protector Adapters For equivalent regional tools, refer toSpecial Tools. Removal ProcedureRaise and support the vehicle. Refer toLifting and Jacking the...
Master Cylinder Replacement (Vacuum Assist)      Master Cylinder Replacement Callout Component Name Warning:Refer toBrake Fluid Irritant Warning. Caution:Refer toBrake Fluid Effects on Paint and Electrical Components Caution. Preliminary ProceduresWith the engine...
Master Cylinder Reservoir Replacement (Hydraulic Assist) Hydraulic Brakes Brake Fluid Reservoir      Removal Procedure Warning:Refer toBrake Fluid Irritant Warning. Caution:Refer toBrake Fluid Effects on Paint and Electrical Components Caution. Using a suitable tool, remove the brake fluid from the brakemaster cylinder...
Master Cylinder Reservoir Replacement (Vacuum Assist) Hydraulic Brakes Brake Fluid Reservoir      Master Cylinder Reservoir Replacement Callout Component Name Warning:Refer toBrake Fluid Irritant Warning. Caution:Refer toBrake Fluid Effects on Paint and Electrical Components Caution. Preliminary ProceduresUsing...
Output Speed Sensor and Case Extension Installation Sensors Wheel Speed Sensors      .. .. .. Output Speed Sensor and Case Extension Installation Callout Component Name 1 Gasket-(2WD Output Only) 2 2WD Output Housing Extension Assembly 3 A/Trans Rear...
Output Speed Sensor and Case Extension Removal Sensors Wheel Speed Sensors      .. .. .. Output Speed Sensor and Case Extension Removal Callout Component Name 1 A/Trans Rear Case Bolt-M10-x-1.5-x-45 (Qty:-6) 2 2WD Output Housing Extension Assembly Note:There is also a 4WD option with...
Output Speed Sensor Removal (2WD) Sensors Wheel Speed Sensors      Remove the vehicle speed sensor bolt-(1) thatretains the output speed sensor-(2) to the low andreverse clutch housing – 2WD.Remove the output speed sensor-(2).Remove the vehicle speed sensor O-ring-(3) fromthe output speed...
Output Speed Sensor Replacement Sensors Wheel Speed Sensors      Output Speed Sensor Replacement Callout Component Name Preliminary Procedure Raise and support the vehicle. Refer toLifting and Jacking the Vehicle. 1 Output Speed Sensor Bolt Caution:Refer toFastener...
Parking Brake Actuator Replacement (JD9) Parking Brake Lever or Pedal      Parking Brake Actuator Replacement Callout Component Name Warning:Refer toBrake Dust Warning. Preliminary ProceduresDisable the park brake cable automatic adjuster. Refer toParking Brake Cable Adjuster...
Parking Brake Adjustment (1500 Disc Brake With TZ0) Parking Brake      Special Tools J 21177-A Drum-to-Brake Shoe Clearance Gauge Park Brake Shoe Adjustment Warning:Refer toBrake Dust Warning. Note:The park brake shoes must be adjusted before the park brake cable tension is adjusted. Set...
Parking Brake Adjustment (3500 DRW Without TZ0) Parking Brake      Special ToolsJ-21177-ADrum-to-Brake Shoe Clearance GaugeJ-28662Brake Pedal Effort Gauge Warning:Refer toBrake Dust Warning. Note:The park brake cable adjusting nut is a nylon lock type. Useonly hand tools whenever loosening...
Parking Brake Cable Adjuster Disabling Parking Brake Cable      Before any components of the parking brake system areserviced, the following procedure must be followed. Two techniciansare required to perform this procedure, one inside the vehicle andone outside the vehicle. Raise and...
Parking Brake Cable Adjuster Enabling Parking Brake Cable      Hold the park brake pedal in the FULL upward position. Pull rearward on the front park brake cable until the tensionis released from the tool-(1) installed in the pedalassembly.Remove the tool-(1).Slowly release the park...
Parking Brake Cable Equalizer Replacement (2500 3500) Parking Brake Cable      Removal ProcedureRelease the park brake.Raise and support the vehicle. Refer toLifting and Jacking the Vehicle. Remove the parking brake equalizer adjusternut-(1). Drilla-3-mm-(1/8-in) holethrough the dimple in the right...
Parking Brake Intermediate Cable Replacement (J90 J95 J96) Parking Brake      Removal ProcedureRelease the parking brake.Raise and support the vehicle. Refer toLifting and Jacking the Vehicle. Drill a-3-mm-(1/8-in) hole through the dimple in the right parking brake cable connector-(1)-wherethe front...
Parking Brake Intermediate Cable Replacement (JD9 JF3 JF7 JG4 with TZ0) Parking Brake      Removal Procedure Release the park brake.Disable the park brake cable automatic adjuster. Refer toParking Brake Cable Adjuster Disabling.Raise and support the vehicle. Refer toLifting and Jacking the Vehicle.Disconnect the...
Parking Brake Intermediate Cable Replacement (JD9 JF3 JF7 JG4 without TZ0) Parking Brake      Removal ProcedureRelease the park brake.Raise and support the vehicle. Refer toLifting and Jacking the Vehicle. Loosen the intermediate park brake cable equalizer nut-(1). Drill a-3-mm (1/8-in) hole through the dimple in...
Parking Brake Lever Pedal Assembly Replacement (Without TZ0) Parking Brake Lever or Pedal      Removal ProcedureRelease the parking brake.Raise and support the vehicle. Refer toLifting and Jacking the Vehicle.Loosen the intermediate parking brake cable equalizer nut. Drill a-3-mm-(1/8-in) hole through the dimple in...
Parking Brake Lever Pedal Assembly Replacement (With TZ0) Parking Brake Lever or Pedal      Removal Procedure Note:The following service procedure includes the removal of thefront park brake cable. The front park brake cable is NOT servicedseparately, but serviced with the park brake pedal assembly. Remove the left...
Parking Brake Rear Cable Replacement - Left Side (JF3 JF7 JG4 With TZ0) Parking Brake      Tools Required J 37043 Park Brake Cable Release Tool Removal Procedure Release the park brake.Disable the park brake cable automatic adjuster. Refer toParking Brake Cable Adjuster Disabling.Raise and support the vehicle....
Parking Brake Rear Cable Replacement - Right Side (JF3 JF7 JG4 With TZ0) Parking Brake      Special Tools J 37043 Park Brake Cable Release Tool Removal Procedure Release the park brake.Disable the park brake cable automatic adjuster. Refer toParking Brake Cable Adjuster Disabling.Raise and support the vehicle....
Parking Brake Rear Cable Replacement - Right Side (J95 J96 Pickup) Parking Brake      Removal ProcedureRelease the park brake.Raise and support the vehicle. Refer toLifting and Jacking the Vehicle. Drilla-3-mm-(1/8-in) holethrough the dimple in the right parking brake cableconnector-(1)-where the front...
Parking Brake Rear Cable Replacement - Right Side (JF3 JF7 JG4 Without TZ0) Parking Brake      Special Tools J 37043 Park Brake Cable Release Tool Removal Procedure Release the park brake.Raise and support the vehicle. Refer toLifting and Jacking the Vehicle.Loosen the intermediate park brake cable equalizer...
Parking Brake Release Handle Assembly Replacement Parking Brake      Parking Brake Release Handle Assembly Replacement Callout Component Name 1 Parking Brake Release Handle Bolt (Qty:-1) Caution:Refer toFastener Caution. Tighten 9-Y(80-lb-in) 2 Parking Brake Release Handle...
Parking Brake Shoe Replacement (J90 J95 J96) Parking Brake      Removal Procedure Warning:Refer toBrake Dust Warning. Note:Left side park brake assembly shown. Right side park brakeassembly is inverted. Release the park brake.Raise and support the vehicle. Refer toLifting and Jacking the...
Parking Brake Shoe Replacement (JD9) Parking Brake      Parking Brake Shoe Replacement Callout Component Name Warning:Refer toBrake Dust Warning. Preliminary ProceduresRaise and support the vehicle. Refer toLifting and Jacking the Vehicle.Remove the brake rotor. Refer...
PI0515B Clicking Snapping Noise from Under Vehicle or from Wheels - (Sep 17 2012) Wheels      Subject: Clicking, Snapping Noise from Under Vehicle or from Wheels Models:  2011-2013 Cadillac Escalade, Escalade ESV, Escalade EXT 2011-2013 Chevrolet Avalanche, Silverado, Suburban, Tahoe 2011-2013 GMC...
PIT3078F Grease Leak From Front Hub Bearings - (Oct 29 2012) Wheel Hub      Subject: Grease Leak From Front Hub Bearings Models:  2004-2013 Cadillac Escalade Models 2004-2013Chevrolet Avalanche, Silverado, Silverado Classic, Suburban, Tahoe 2004-2013 GMC Sierra, Sierra Classic,...
PIT3271F Guidelines When Changing Tire And Wheel Size - (Dec 12 2012)      Subject: Guidelines When Changing Tire And Wheel Size Models:  2003 - 2013 All General Motors Light Duty Trucks Vans and Utilities     Condition/Concern Changing of tire size on mid-size and full-size trucks...
PIT3343D Fifth Wheel Trailering With Short Box 5 Foot - 8 Inches - (Jul 30 2012) Wheels      Subject: Fifth Wheel Trailering With Short Box 5'- 8" Models:  2004 - 2013 Chevrolet Silverado 2004 - 2013 GMC Sierra With Short Bed 5'- 8" This PI was superseded to update model and model years. Please...
PIT3665C Brake Pedal Moves Or Self Applies At Full Turns - (Nov 6 2012) Hydraulic Brakes Brake Pedal Assembly      Subject: Brake Pedal Moves Or Self Applies At Full Turns Models:  2001-2004 Cadillac Escalade Models 2002-2004 Chevrolet Avalanche 2001-2004 Chevrolet Tahoe, Suburban 1998-2013 Chevrolet Express,...
PIT4208D Power Steering Whine Noise - (Nov 6 2012) Hydraulic Steering      Subject: Power Steering Whine Noise Models:  2003-2013 Cadillac Escalade Models 2003-2013 Chevrolet Avalanche, Silverado Classic, Silverado, Suburban, Tahoe 2003-2013 GMC Sierra Classic, Sierra, Yukon Models...
PIT4261C Tire Sidewall Irregularities - (Nov 29 2012) Tires      Subject: Tire Sidewall Irregularities Models:  2007 - 2013 Cadillac Escalade Models 2007 - 2013 Chevrolet Avalanche, Silverado, Suburban, Tahoe 2007 - 2013 GMC Sierra Models, Yukon Models This PI was...
PIT4506C Questions Regarding Reducing Tire Pressures - (Oct 22 2012) Tires      Subject: Questions Regarding Reducing Tire Pressures Models:  2007-2013 Chevrolet Silverado HD and Suburban 2500 2007-2013 GMC Sierra HD and Yukon XL 2500 This PI was superseded to update model years. Please...
PIT4593D 2-MODE (HYBRID) No Brake Assist After Low 12V Battery Power or 12V Disconnect - (Nov 15 2012)      Subject: 2-MODE (HYBRID) No Brake Assist After Low 12V Battery Power or 12V Disconnect Models:  2009-2013 Cadillac Escalade Hybrid 2008-2013 Chevrolet Tahoe and GMC Yukon Hybrid 2009-2013 Chevrolet Silverado...
PIT4595H Service Trailer Brake Message With DTC C1114 And Or C1112 - (Aug 27 2012) - part 2      Clean as required.With the ignition on, use Tech 2 to monitor TBCM Relay Feedback Signal. Monitor signalfor 10-15 seconds. Determine the minimum voltage value that occurs. (This voltagevaries once per second and always settles...
PIT4595H Service Trailer Brake Message With DTC C1114 And Or C1112 - (Aug 27 2012)      Subject: Service Trailer Brake Message With DTC C1114 And/Or C1112 Models:  2007 - 2013 Chevrolet Silverado 2009 - 2013 Chevrolet Avalanche, Suburban, Tahoe 2007 - 2013 GMC Sierra 2009 - 2013 GMC Yukon,...
PIT4683F Additional Wheel Speed Sensor Diagnostics - (Jul 31 2012) Sensors Wheel Speed Sensors - part 2      Use the appropriate SI wiring diagrams to determinethe WSS Supply Voltage and WSS Low Signal Return. A. Ignition OFF, disconnect the harness connector at the suspect wheel speed sensor.B. Connect a 3 amp fused jumper wire...
PIT4683F Additional Wheel Speed Sensor Diagnostics - (Jul 31 2012) Sensors Wheel Speed Sensors      Subject: Additional Wheel Speed Sensor Diagnostics Models:  2008 - 2013 Buick Enclave 2007 - 2013 Cadillac Escalade, Escalade ESV, Escalade EXT 2009 Cadillac XLR 2007 - 2013 Chevrolet Avalanche, Silverado,...
PIT4729E Adding Integrated Trailer Brake Controller RPO JL1 - (Oct 24 2013)      Subject: Adding Integrated Trailer Brake Controller RPO JL1 Models:  2007 - 2013 Chevrolet Silverado 2009 - 2013 Chevrolet Avalanche 2009 - 2014 Chevrolet Suburban, Tahoe 2007 - 2013 GMC Sierra 2009 -...
PIT4815C Additional Vehicle Speed Sensor Diagnostic Information - (Nov 8 2012) Sensors Wheel Speed Sensors - part 2      The EBCM toggles the voltage onthis circuit to ground creating the signal. Connect the Fluke meter's red lead tocircuit 817 and the black lead to ground. Then set the meter to D/C voltage and pressthe "HZ" button.Warranty...
PIT4815C Additional Vehicle Speed Sensor Diagnostic Information - (Nov 8 2012) Sensors Wheel Speed Sensors      Subject: Additional Vehicle Speed Sensor Diagnostic Information Models:  2007-2013 Cadillac Escalade Models 2007-2013 Chevrolet Avalanche, Silverado, Suburban, Tahoe 2008-2013 Chevrolet Express 2008-2013...
PIT4826B Normal Characteristic - Cracks In The Brake Pad Friction Material - (Nov 1 2012) Disc Brakes Brake Pads      Subject: Normal Characteristic - Cracks In The Brake Pad FrictionMaterial Models:  2007-2008 Chevrolet Express 3500HD 2007-2010Chevrolet Silverado 3500HD 2007-2008 GMC Savana 3500HD 2007-2010 GMC Sierra...
PIT4907A Normal Characteristic - Gray Coating On Brake Rotors - (Nov 9 2012) Disc Brakes Brake Rotors      Subject: Normal Characteristic - Gray Coating On Brake Rotors Models:  2002 - 2013 GM Passenger Cars and Light Duty Trucks     This PI was superseded to update model years. Please discard PIT4907....
PIT5049A Rattle Squeak Clunk Bump Noise From Front Suspension - (Sep 12 2012)      Subject: Rattle Squeak Clunk Bump Noise From Front Suspension Models:  2007 - 2013 Cadillac Escalade Models 2007 - 2013 Chevrolet Avalanche, Silverado, Suburban, Tahoe 2007 - 2013 GMC Sierra, Yukon and Yukon...
PIT5120A Stabilitrak Traction Control OFF With Red Brake Warning Lamp And DTC C0267 - (Sep 12 2012) Dynamics Control Traction Control      Subject: Stabilitrak/Traction Control OFF With Red Brake Warning Lamp And DTC C0267 Models:  2007 - 2013 Cadillac Escalade Models 2007 - 2013 Chevrolet Avalanche, Silverado, Suburban, Tahoe 2007 - 2013 GMC...
PIT5122D Service Stability Message Low Power Brake Light And Cruise Control Operation DTC C0161 And Or C0277 - (Sep 11 2012) Hydraulic Brakes Brake Booster      Subject: Service Stability Message Low Power Brake Light And Cruise Control Operation DTC C0161And/Or C0277 Models:  2012 - 2013 Cadillac Escalade Models 2012 - 2013 Chevrolet Avalanche, Express, Silverado,...
PIT5145B Chassis Cab Cutaway Gross Combined Weight Ratings - (Jul 31 2012)      Subject: Chassis Cab/Cutaway Gross Combined Weight Ratings Models:  2011-2013 Chevrolet Express Cutaway 3500-4500 2011-2013 Chevrolet Silverado 3500 HD Chassis Cab 2011-2013 GMC Savana Cutaway 3500-4500...
Pitman Arm Replacement Tie Rods and Linkage      Special Tools CH-47965Pitman Arm Puller For equivalent regional tools, refer toSpecial Tools. Removal ProcedureRemove the steering gear. Refer toSteering Gear Replacement.Place the steering gear into a vise. Remove the...
P-Metric Sized Tires Description Wheels      245/ 50r 16 953 type load inde p-passenger ttemporary lt-light truck speed symbol section width (millimeters) 235 245 275 construction (section width) ddagonal(bas) 40 section width section height Replacement tires should...
Power Brake Booster Inlet Hose Replacement (4 3L 4 8L 5 3L and 6 2L) Hydraulic Steering      Removal ProcedureRemove the engine shield. Refer toEngine Shield Replacement.Place drain pans under the vehicle as needed.Remove as much power steering fluid from the power steeringfluid reservoir as possible. Caution:Refer...
Power Brake Booster Inlet Hose Replacement (6 6L) Hydraulic Steering      Removal ProcedureRemove the engine control module. Refer toEngine Control Module ReplacementPlace drain pans under the vehicle. Remove as much power steering fluid from the power steering fluid reservoir-(1) aspossible....
Power Brake Booster Inlet Hose Replacement (L96) Hydraulic Steering      Removal ProcedurePlace drain pans under the vehicle. Remove as much power steering fluid from the power steeringfluid reservoir-(1) as possible.Raise and support the vehicle. Refer toLifting and Jacking the Vehicle.Remove...
Power Brake Booster Outlet Hose Replacement (4 3L 4 8L 5 3L and 6 2L) Hydraulic Steering      Removal ProcedurePlace drain pans under the vehicle as needed.Remove as much power steering fluid from the power steeringfluid reservoir as possible. Caution:Refer toPower Steering Hose Disconnected Caution. Disconnect the...
Power Brake Booster Outlet Hose Replacement (L96) Hydraulic Steering      Power Brake Booster Outlet Hose Replacement Callout Component Name Preliminary ProceduresPlace drain pans under the vehicle.Remove as much power steering fluid from the reservoir aspossible.Raise and support the...
Power Brake Booster Pump Fluid Accumulator Disposal Hydraulic Brakes Brake Booster      Power Brake Booster Pump Fluid Accumulator Disposal Callout Component Name Warning:Refer toSafety Glasses Warning. Warning:Refer toBrake Fluid Irritant Warning. Caution:Refer toBrake Fluid Effects on Paint and...
Power Brake Booster Pump Fluid Accumulator Replacement (Non-Hybrid) Hydraulic Brakes Brake Booster      Special Tools J-26889Accumulator Piston Compressor Removal Procedure Warning:The accumulator contains compressed gas. Always use theproper tools and follow the recommended procedures or personalinjury may result. Do not apply...
Power Brake Booster Replacement (Without JF4) Hydraulic Brakes Brake Booster      Removal Procedure Caution:Hydraulic brake systems use two distinct and incompatiblefluids. Power steering fluid is used in the hydraulic brake boostersystem. Brake fluid is used in the master cylinder and brake pipes.Use...
Power Brake Booster Vacuum Check Valve and Hose Replacement Hydraulic Brakes Brake Booster      Power Brake Booster Vacuum Check Valve and Hose Replacement Callout Component Name Preliminary ProceduresDeplete the vacuum reserve in the vacuum booster by applyingthe brake pedal 3 times or until the pedal becomes...
Power Brake Booster Vacuum Sensor Replacement Hydraulic Brakes Brake Booster      Power Brake Booster Vacuum Sensor Replacement Callout Component Name Preliminary ProceduresTurn the ignition switch to the OFF position.Apply the brake pedal several times until the brake pedalbecomes firm to deplete...
Power Steering Fluid Cooler Replacement (4 3L 4 8L 5 3L and 6 2L) Hydraulic Steering Steering Fluid Cooler      Removal ProcedureRemove the radiator grille. Refer toFront Grille Replacement.Remove as much power steering fluid from the power steeringfluid reservoir as possible.Place drain pans under the vehicle as needed....
Power Steering Fluid Cooler Replacement (L96) Hydraulic Steering Steering Fluid Cooler      Removal ProcedureRemove the radiator grille. Refer toFront Grille Replacement.Place drain pans under the vehicle.Remove as much power steering fluid from the reservoir aspossible.Raise and support the vehicle. Refer toLifting...
Power Steering Fluid Reservoir Replacement - Off Vehicle (L96) Hydraulic Steering Steering Fluid Reservoir      Power Steering Fluid Reservoir Replacement - Off Vehicle Callout Component Name Preliminary Procedure Remove the power steering pump and the reservoir as anassembly. Refer toPower Steering Pump Replacement. 1...
Power Steering Fluid Reservoir Replacement - Off Vehicle (4 3L 4 8L 5 3L and 6 2L) Hydraulic Steering Steering Fluid Reservoir      Disassembly ProcedureRemove the power steering pump assembly from the vehicle.Refer toPower Steering Pump Replacement. Remove the power steering fluid reservoirstuds-(2) from the power steering pumpassembly-(1).Remove the...
Power Steering Gear Inlet and Outlet Hose Seal Replacement Steering Gear Assembly      Special Tools J-42640 -Steering Column Anti-rotation Pin For equivalent regional tools, refer toSpecial Tools. Removal ProcedureRemove as much power steering fluid from the power steering fluid reservoir as possible.Raise...
Power Steering Gear Inlet Pipe Hose Replacement (Gas Without Hydroboost) Steering Gear Assembly      Power Steering Gear Inlet Pipe/Hose Replacement Callout Component Name Preliminary Procedure Remove the engine shield. Refer toEngine Shield Replacement. 1 Power Steering Gear Inlet Hose Fitting...
Power Steering Gear Inlet Pipe Hose Replacement (L96) Steering Gear Assembly      Power Steering Gear Inlet Pipe/Hose Replacement Callout Component Name Preliminary ProceduresPlace drain pans under the vehicle.Remove as much power steering fluid from the reservoir aspossible.Raise and support the...
Power Steering Gear Outlet Pipe Hose Replacement (Gas Without Hydroboost) Steering Gear Assembly      Power Steering Gear Outlet Pipe/Hose Replacement Callout Component Name Preliminary Procedure Remove the engine shield. Refer toEngine Shield Replacement. 1 Power Steering Gear Outlet Hose Clamp Procedure...
Power Steering Gear Outlet Pipe Hose Replacement (Gas With Hydroboost) Steering Gear Assembly      Removal ProcedurePlace drain pans under the vehicle as needed. Caution:Refer toPower Steering Hose Disconnected Caution. Disconnect the power steering fluid cooler hose clamp and hose-(3) from the steeringgear-(2).Remove...
Power Steering Pump Fitting and Seal Replacement (L96) Hydraulic Steering Steering Pump      Power Steering Pump Fitting and Seal Replacement Callout Component Name Preliminary Procedure Remove the power steering pump assembly. Refer toPower Steering Pump Replacement. 1 Power Steering Pump Fitting...
Power Steering Pump Flow Control Valve Replacement - Off Vehicle (4 3L 4 8L 5 3L and 6 2L) Hydraulic Steering Steering Pump      Power Steering Pump Flow Control Valve Replacement - Off Vehicle Callout Component Name Preliminary Procedure Remove the power steering pump assembly. Refer toPower Steering Pump Replacement. 1 Power...
Power Steering Pump Mounting Bracket Installation Hydraulic Steering Steering Pump      Caution:Refer toFastener Caution. Install the power steering pump mounting bracketstuds-(2) and tighten to10-Y(89-lb-in).Install the power steering pump mountingbracket-(3).Install the power steering pump mounting...
Power Steering Pump Mounting Bracket Removal Hydraulic Steering Steering Pump      Remove the power steering pump mounting bracketbolts-(4) and nuts-(1).Remove the power steering pump mountingbracket-(3).Remove the power steering pump mounting bracketstuds-(2).
Power Steering Pump Pulley Replacement (4 8L 5 3L 6 0L or 6 2L) Hydraulic Steering Steering Pump      Special ToolsJ-25033-CPulley InstallerJ-25034-CPulley Remover For equivalent regional tools, refer toSpecial Tools. Removal ProcedureRemove the engine coolant fan upper shroud, if equipped.Refer toEngine Coolant Fan Upper...
Power Steering Pump Replacement (4 3L) Hydraulic Steering Steering Pump      Removal ProcedureRemove the power steering pump pulley. Refer toPower Steering Pump Pulley Replacement.Remove as much power steering fluid from the power steeringfluid reservoir as possible.Disconnect the steering shaft...
Power Steering Pump Replacement (4 8L 5 3L and 6 2L) Hydraulic Steering Steering Pump      Removal ProcedureRemove the power steering pump pulley. Refer toPower Steering Pump Pulley Replacement.Place drain pans under the vehicle.Remove as much power steering fluid from the reservoir aspossible.Disconnect the...
Power Steering Pump Replacement (6 6L) Hydraulic Steering Steering Pump      Power Steering Pump Replacement Callout Component Name Preliminary ProceduresPlace drain pans under the vehicle.Remove as much power steering fluid from the reservoir as possible.Remove the engine control module....
Power Steering Pump Replacement (L96) Hydraulic Steering Steering Pump      Power Steering Pump Replacement Callout Component Name Preliminary Procedure Remove the power steering pump pulley. Refer toPower Steering Pump Pulley Replacement. 1 Power Steering Fluid Cooler Hose Clamp...
Power Steering Pump Shaft Seal Replacement (4 3L 4 8L 5 3L and 6 2L) Hydraulic Steering Steering Pump      Removal ProcedureRemove the power steering pump from the vehicle. Refer toPower Steering Pump Replacement. Note:Use the shim stock in order to protect the driveshaft. Use a chisel in order to cut and remove the power...
Power Steering Wiring Harness Extension Harness Replacement (HP2) Hydraulic Steering      Removal Procedure Important:The power steering wiring harness extension harness is notrepairable. Only replace the harness and never attempt to repairit. Important:The wiring harness protective cover is intended to keep...
Power Vacuum Brake Booster Replacement (Without JF4) Hydraulic Brakes Brake Booster      Power Vacuum Brake Booster Replacement Callout Component Name Preliminary ProceduresApply the park brake.Deplete the vacuum reserve in the vacuum booster by applyingthe brake pedal 3 times or until the pedal becomes...
Propeller Shaft Front Slip Yoke Oil Seal Replacement (Two Wheel Drive) Wheels      Propeller Shaft Front Slip Yoke Oil Seal Replacement Callout Component Name Preliminary ProceduresRaise and support the vehicle. Refer toLifting and Jacking the Vehicle.Remove the propeller shaft. Refer toOne-Piece...
Rear Axle Hub Bearing Cup and or Seal Replacement Wheel Hub      Special ToolsCH-49794Axle Hub Nut SocketCH-50636Axle Hub Nut SocketDT-50289Differential Bearing and Hub SealInstallerDT-50290Wheel Bearing Installer Outer BearingCupDT-50291Wheel Bearing Race Installer-OuterDT-50292Wheel...
Rear Axle Replacement (15 Series With Drum Brakes) Drum Brakes      Removal Procedure Raise support the vehicle. Refer toLifting and Jacking the Vehicle.Place jack or utility stands (such as GMDE123–B67313) at the front end of the vehicle.Drain the axle lubricant from the rear axle. Refer...
Rear Brake Backing Plate Replacement Drum Brakes      Rear Brake Backing Plate Replacement Callout Component Name Warning:Refer toBrake Dust Warning. Preliminary ProceduresRaise and support the vehicle. Refer toLifting and Jacking the Vehicle.Remove the tire and wheel...
Rear Brake Caliper Bracket Replacement (J90 J95 J96) Disc Brakes Brake Calipers      Removal Procedure Warning:Refer toBrake Dust Warning. Remove the rear disc brake pads. Refer toRear Disc Brake Pads Replacement. Remove the rear brake caliper bracket-(1). Note:The upper brake caliper guide pin is...
Rear Brake Caliper Bracket Replacement (JD9) Disc Brakes Brake Calipers      Rear Brake Caliper Bracket Replacement Callout Component Name Warning:Refer toBrake Dust Warning. Caution:Support the brake caliper with heavy mechanic wire, orequivalent, whenever it is separated from its mount and...
Rear Brake Caliper Hardware Replacement (J90 J95 J96) Disc Brakes Brake Calipers      Removal Procedure Warning:Refer toBrake Dust Warning. Remove the brake caliper bracket. Refer toRear Brake Caliper Bracket Replacement. Remove the brake caliper guide pinseals-(1).Remove the brake caliper guide...
Rear Brake Caliper Hardware Replacement (JD9) Disc Brakes Brake Calipers      Rear Brake Caliper Hardware Replacement Callout Component Name Warning:Refer toBrake Dust Warning. Caution:Support the brake caliper with heavy mechanic wire, orequivalent, whenever it is separated from its mount...
Rear Brake Caliper Overhaul (J90 J95 J96) Disc Brakes Brake Calipers      Disassembly Procedure Warning:Refer toBrake Dust Warning Warning:Refer toBrake Fluid Irritant Warning Note:Replace all the components included in the repair kits usedto overhaul the brake caliper. Remove the brake caliper....
Rear Brake Caliper Replacement (J95) Disc Brakes Brake Calipers      Removal Procedure Warning:Refer toBrake Dust Warning. Inspect the fluid level in the brake master cylinderreservoir.If the brake fluid level is midway between the maximum-fullpoint and the minimum allowable level, no brake...
Rear Brake Caliper Replacement (JD9) Disc Brakes Brake Calipers      Rear Brake Caliper Replacement Callout Component Name Warning:Refer toBrake Dust Warning. Warning:Refer toBrake Fluid Irritant Warning. Preliminary ProceduresRaise and support the vehicle. Refer toLifting and...
Rear Brake Cylinder Replacement Drum Brakes      Rear Brake Cylinder Replacement Callout Component Name Warning:Refer toBrake Dust Warning. Warning:Refer toBrake Fluid Irritant Warning. Preliminary ProceduresRaise and support the vehicle. Refer toLifting and...
Rear Brake Hose Replacement (To Caliper - J95) Disc Brakes Brake Calipers      Removal Procedure Warning:Refer toBrake Dust Warning. Warning:Refer toBrake Fluid Irritant Warning. Raise and support the vehicle. Refer toLifting and Jacking the Vehicle.Remove the tire and wheel assembly. Refer toTire and...
Rear Brake Hose Replacement (To Caliper - JD9) Disc Brakes Brake Calipers      Rear Brake Hose Replacement Callout Component Name Warning:Refer toBrake Dust Warning. Warning:Refer toBrake Fluid Irritant Warning. Preliminary ProceduresRaise and support the vehicle. Refer toLifting and Jacking...
Rear Brake Rotor Replacement (JD9) Disc Brakes      Rear Brake Rotor Replacement Callout Component Name Warning:Refer toBrake Dust Warning. Caution:Support the brake caliper with heavy mechanic wire, orequivalent, whenever it is separated from its mount and...
Rear Disc Brake Mounting and Hardware Inspection Disc Brakes      Warning:Refer toBrake Dust Warning. Inspect the fluid level in the brake master cylinder reservoir.If the brake fluid level is midway between the maximum–full point and the minimumallowable level then no brake fluid needs to...
Rear Disc Brake Pads Replacement (J90 J95 J96) Disc Brakes Brake Pads - part 2      Note:Do not puncture the disc brake caliper guide pin seals. Install the disc brake caliper guide pin seals-(1).Ensure the disc brake caliper guide pin seals are fully seated in the grooves of thedisc brake caliper housing....
Rear Disc Brake Pads Replacement (J90 J95 J96) Disc Brakes Brake Pads      Removal Procedure Warning:Refer toBrake Dust Warning. Note:Always replace disc brake pads in axle sets. Inspect the fluid level in the brake master cylinder reservoir.If the brake fluid level is midway between the...
Rear Disc Brake Pads Replacement (JD9) Disc Brakes Brake Pads      Rear Disc Brake Pads Replacement Callout Component Name Warning:Refer toBrake Dust Warning. Caution:Support the brake caliper with heavy mechanic wire, orequivalent, whenever it is separated from its mount and...
Rear Parking Brake Anchor Backing Plate Replacement (JD9) Parking Brake      Rear Parking Brake Anchor Backing Plate Replacement Callout Component Name Warning:Refer toBrake Dust Warning. Preliminary ProceduresDisable the park brake cable automatic adjuster. Refer toParking Brake Cable...
Rear Spring Front Stop Replacement (Cab Chassis) Springs      Rear Spring Front Stop Replacement Callout Component Name Preliminary ProcedureRaise and support the vehicle. Refer toLifting and Jacking the Vehicle.Remove the rear tire and wheel assembly. Refer toTire and Wheel...
Rear Spring Rear Stop Replacement (Cab Chassis) Springs      Rear Spring Rear Stop Replacement Callout Component Name Preliminary ProcedureRaise and support the vehicle. Refer toLifting and Jacking the Vehicle.Remove the tire and wheel assembly. Refer toTire and Wheel Removal...
Rear Spring Shackle Replacement (1500 Series) Springs      Removal ProcedureRaise and support the vehicle. Refer toLifting and Jacking the Vehicle. Remove the leaf spring assembly from vehicle. Refer toLeaf Spring Replacement.Remove the shackle nut and the bolt from the...
Rear Spring Shackle Replacement (2500 3500 Series) Springs      Rear Spring Shackle Replacement Callout Component Name Preliminary ProcedureRaise and support the vehicle. Refer toLifting and Jacking the Vehicle.Remove the tire and wheel assembly. Refer toTire and Wheel Removal and...
Rear Wheel Speed Sensor Replacement Sensors Wheel Speed Sensors      Rear Wheel Speed Sensor Replacement Callout Component Name Warning:Refer toBrake Dust Warning. Preliminary ProceduresRaise and support the vehicle. Refer toLifting and Jacking the Vehicle.Remove the tire and wheel...
Rear Wheel Speed Sensor Ring Replacement Sensors Wheel Speed Sensors      Special ToolsJ-8092Driver HandleJ-21128Axle Pinion Oil Seal InstallerJ-23690Bearing InstallerJ-2619-01Slide HammerJ-45857Tone Wheel and/or Bearing RemoverJ-45860Tone Ring InstallerRemoval ProcedureRaise the vehicle. Refer...
Shock Absorber and Spring Removal and Installation Strut Assembly      Shock Absorber and Spring Removal and Installation Callout Component Name Preliminary ProceduresRaise and support the vehicle. Refer toLifting and Jacking the Vehicle.Remove the front tire and wheel assembly. Refer...
Shock Absorber Disposal Strut Assembly Dampers Shocks      Warning:Gas charged shock absorbers contain high pressure gas. Do notremove the snap ring from inside the top of the tube. If the snapring is removed, the contents of the shock absorber will come outwith extreme force which...
Shock Absorber Replacement (1500) Strut Assembly Dampers Shocks      Removal ProcedureRaise and support the vehicle. Refer toLifting and Jacking the Vehicle.Support the rear axle. Remove the upper shock absorber nut and the bolt.Remove the lower shock absorber nut and the bolt.Remove the...
Shock Absorber Replacement (2500 3500) Strut Assembly Dampers Shocks      Removal ProcedureRaise the vehicle enough to place a floor jack under thelower control arm.Reposition the engine splash shield between the frame and theinner wheel house to gain access to the upper shock absorbernuts....
Shock Absorber Replacement (2500 3500) Strut Assembly Dampers Shocks      Removal ProcedureRaise and support the vehicle. Refer toLifting and Jacking the Vehicle.Support the rear axle assembly with the proper jackstand. Remove the upper shock absorber bolt-(1).Remove the lower shock...
Shock Absorber Shock Absorber Component or Spring Replacement Strut Assembly Dampers Shocks      Special Tools CH-48845 -Spring Compressor For equivalent regional tools, refer toSpecial Tools. Removal ProcedureRemove the front shock absorber assembly. Refer toShock Absorber and Spring Removal and Installation....
Special Tools      Illustration Tool Number/ Description CH-43631 J-43631 Ball Joint Remover
Special Tools      Illustration Tool Number/ Description J-8001 Dial Indicator Set J-39570 Chassis Ear
Special Tools      Illustrations Tool Number/Description J-26889 Accumulator Piston Compressor J-28662 Brake Pedal Effort Gauge J-29532 Diaphragm Pressure Bleeder J-35589-A Brake Pressure...
Special Tools      Illustration Tool Number/ Description CH-3631 J-43631 Ball Joint Remover CH-42188–B J-42188–B Ball Joint Separator CH-48809 Torsion Bar Loading/Unloading Tool CH-48845 Front...
Special Tools Disc Brakes      Illustration Tool Number/Description J-8001 Dial Indicator Set J-39544-KIT Torque-Limiting Socket Set J-41013 Rotor Resurfacing Kit J-42450-A Wheel Hub Resurfacing Kit...
Special Tools Drum Brakes      Illustration Tool Number/ Description J 21177-A Drum to Brake Shoe Clearance Gauge J 38400 Brake Shoe Spanner& Spring Remover J 41013 Rotor Resurfacing Kit J 42450-A Wheel Hub...
Special Tools Hydraulic Steering      Illustration Tool Number/ Description CH-49009 Inner Tie Rod Wrench CH-49824 Steering Linkage Puller GE-28431-6 J-28431-6 Fluorescent Oil Dye — 6-1-oz J-4245 Internal Snap...
Special Tools Parking Brake      Illustration Tool Number/ Description J-21177-A Drum-to-Brake Shoe Clearance Gauge J-28662 Brake Pedal Effort Gauge J-37043 Parking Brake Cable Release Tool
Special Tools Steering Wheel and Column      Illustration Tool Number/ Description J-21854-01 Pivot Pin Remover J-23653-SIR Steering Column Lock Plate Compressor J-42137 Cam Orientation Plate Adapter J-42640 Steering...
Special Tools Tie Rods and Linkage      Illustration Tool Number/ Description CH-47965 Pitman Arm Puller CH-49824 Steering Linkage Puller J-24319-B Steering Linkage and Tie Rod Puller J-24420-C Crankshaft Balancer...
Special Tools TPMS      Illustration Tool Number/Description EL-46079 Tire Pressure Monitor Diagnostic Tool el50448 oec-t5 EL-50448 Tire Pressure Monitor Sensor Activation Tool
Special Tools Wheels      Illustration Tool Number/ Description CH-41013 J-41013 Rotor Resurfacing Kit CH-42450-A J-42450-A Wheel Hub Resurfacing Kit
Speed Sensor Replacement Sensors Wheel Speed Sensors      Removal Procedure Warning:Refer toBattery Disconnect Warning. Be sure the vehicle ignition is turned off.Disconnect the external wiring harness from the speedsensor.Remove the bolt-(1) from the speed sensor andcarefully...
Stabilizer Shaft Insulator Replacement (3500) Sway Bar Assembly      Stabilizer Shaft Insulator Replacement Callout Component Name Preliminary ProcedureRaise and support the vehicle. Refer toLifting and Jacking the Vehicle.Remove the lower stabilizer shaft link nuts. Refer toStabilizer...
Stabilizer Shaft Insulator Replacement Sway Bar Assembly      1500 2500/3500 Stabilizer Shaft Insulator Replacement Callout Component Name Preliminary ProcedureRaise and support the vehicle. Refer toLifting and Jacking the Vehicle.Remove the engine shield, if equipped. Refer...
Stabilizer Shaft Link Replacement (1500) Sway Bar Assembly      Stabilizer Shaft Link Replacement Callout Component Name Preliminary Procedure Remove the tire and wheel assembly. Refer toTire and Wheel Removal and Installation. 1 Stabilizer Shaft Link Nut Caution:Refer...
Stabilizer Shaft Link Replacement (2500 3500) Sway Bar Assembly      Stabilizer Shaft Link Replacement Callout Component Name Preliminary ProcedureRaise and support the vehicle. Refer toLifting and Jacking the Vehicle.Remove the engine shield, if equipped. Refer toEngine Shield...
Stabilizer Shaft Link Replacement Sway Bar Assembly      Stabilizer Shaft Link Replacement Callout Component Name Preliminary ProceduresRaise and support the vehicle. Refer toLifting and Jacking the Vehicle.Remove the rear tire and wheel. Refer toTire and Wheel Removal and...
Stabilizer Shaft Replacement (1500) Sway Bar Assembly      Stabilizer Shaft Replacement Callout Component Name Preliminary ProceduresRaise and support the vehicle. Refer toLifting and Jacking the Vehicle.Remove the front stabilizer shaft links. Refer toStabilizer Shaft Link...
Stabilizer Shaft Replacement (2500 3500) Sway Bar Assembly      Stabilizer Shaft Replacement Callout Component Name Preliminary ProcedureRaise and support the vehicle. Refer toLifting and Jacking the Vehicle.Remove the engine shield, if equipped. Refer toEngine Shield...
Stabilizer Shaft Replacement (3500) Sway Bar Assembly      \l Stabilizer Shaft Replacement Callout Component Name Preliminary ProcedureRaise and support the vehicle. Refer toLifting and Jacking the Vehicle.Remove the right rear shock absorber. Refer toShock Absorber...
Steering Column Accident Damage Inspection Steering Wheel and Column      Vehicles involved in accidents which result in the followingconditions may also have a damaged or misaligned steeringcolumn:Frame damageMajor body or sheet metal damageWhere the steering column has been impactedWhere...
Steering Column Replacement (HP2) Steering Wheel and Column      Special Tools J-42640Steering Column Anti-Rotation Pin For equivalent regional tools, refer toSpecial Tools. Removal Procedure Warning:Refer toSIR Warning. Disable the supplemental inflatable restraint (SIR) system.Refer...
Steering Column Replacement (Without HP2) Steering Wheel and Column      Special Tools J 42640 Steering Column Anti-Rotation Pin Removal Procedure Warning:Refer toSIR Warning. Disable the supplemental inflatable restraint (SIR) system. Refer toSIR Disabling and Enabling. Caution:With wheels of...
Steering Column Seal Replacement Steering Wheel and Column      Removal Procedure Disconnect the steering shaft coupling from the upperintermediate steering shaft. Refer toSteering Shaft Coupling Replacement.Remove the 3-steering column sealnuts-(2).Remove the steering column seal-(1)...
Steering Column Tilt Spring Replacement Steering Wheel and Column      Removal ProcedureRemove the knee bolster. Refer toKnee Bolster Replacement.Remove the steering column shroud. Refer toSteering Column Shroud Replacement.Put the steering column in the uppermost tiltedposition. Warning:The...
Steering Column Tilt Wheel Release Lever Replacement Steering Wheel and Column      Steering Column Tilt Wheel Release Lever Replacement Callout Component Name 1 Tilt Lever Procedure Remove by pulling straight outwards.
Steering Gear Boot Replacement (HP2) Steering Gear Assembly      Removal ProcedureRemove the steering linkage outer tie rod. Refer toSteering Linkage Outer Tie Rod Replacement.Remove the steering linkage inner tie rod nut from thesteering linkage inner tie rod. Remove the outer boot...
Steering Gear Boot Replacement (Without HP2) Steering Gear Assembly      Special Tools J-22610Keystone Clamp Pliers For equivalent regional tools, refer toSpecial Tools. Removal ProcedureRemove the steering linkage outer tie rod. Refer toSteering Linkage Outer Tie Rod Replacement. Remove the...
Steering Gear Cylinder Pipe Assembly and Seals Replacement - Off Vehicle Steering Gear Assembly      Removal ProcedureRemove the steering gear. Refer toSteering Gear Replacement. Note:Protect the steering gear boots from sharp tools and from thesharp edges of surrounding components. Remove the power steering gear inlet...
Steering Gear Pitman Shaft Over-Center Preload Adjustment - Off Vehicle Steering Gear Assembly      Remove the steering gear. Refer toSteering Gear Replacement. Loosen the steering gear pitman shaft lash adjusternut-(4).Turn the steering gear pitman shaft lash adjusterscrew-(1) counterclockwise until fully extended.Turn...
Steering Gear Pitman Shaft Replacement Steering Gear Assembly      Disassembly ProcedureRemove the steering gear. Refer toSteering Gear Replacement. Remove the pitman arm nut-(3).Remove the pitman arm washer-(2).Clean the exposed end of the pitman shaft.Clean the steering gear...
Steering Gear Pitman Shaft Seal Replacement Steering Gear Assembly      Steering Gear Pitman Shaft Seal Replacement Callout Component Name Preliminary ProceduresRemove the steering gear. Refer toSteering Gear Replacement.Remove the pitman arm from the steering gear. Refer toPitman Arm...
Steering Gear Replacement (Hydraulic Rack and Pinion) Steering Gear Assembly      Steering Gear Replacement Callout Component Name Caution:With wheels of the vehicle facing straight ahead, secure the steering wheel utilizingsteering column anti-rotation pin, steering column lock, or a strap to...
Steering Gear Replacement (L96) Steering Gear Assembly      Special ToolsCH-49824 Steering Linkage SeparatorJ-24319-B Steering Linkage and Tie Rod PullerJ-24420-C Crankshaft Balancer PullerJ-42640 Steering Column Anti-rotation Pin For equivalent regional tools, refer toSpecial Tools....
Steering Knuckle Replacement Knuckles      1500 Steering Knuckle Replacement Callout Component Name Preliminary ProceduresRaise and support the vehicle. Refer toLifting and Jacking the Vehicle.Remove the tire and wheel assembly. Refer toTire and Wheel Removal...
Steering Linkage Inner Tie Rod Inspection Tie Rods and Linkage      Special Tools J-8001Dial Indicator Set For equivalent regional tools, refer toSpecial Tools. Note:This inspection procedure does not supersede local governmentrequired inspections that have more stringent requirements. Turn...
Steering Linkage Inner Tie Rod Replacement (Hydraulic Rack and Pinion) Tie Rods and Linkage      Removal Procedure Note:After removing the boot, inspect the inner tie rod forevidence of corrosion or contamination. If none is evident,continue with the repair. If corrosion or contamination is evident,replace the steering...
Steering Linkage Inner Tie Rod Replacement (HP2) Tie Rods and Linkage      Special Tools CH-49009 Inner Tie Rod Wrench Removal Procedure Note:After removing the steering gear boot, inspect the steering linkage inner tie rodfor evidence of corrosion or contamination. If none is evident, continue...
Steering Linkage Inner Tie Rod Replacement Tie Rods and Linkage      Removal ProcedureIf you are removing the left steering linkage inner tie rod,turn the steering wheel to the right. If you are removing the right steering linkage inner tie rod,turn the steering wheel to the left. Raise and...
Steering Linkage Inspection Tie Rods and Linkage      Tools RequiredJ 45101 Hub and Wheel Runout GaugeJ 42640 Steering Column Anti-Rotation PinElevate the left front of the vehicle and install suitable vehicle support maintainingcontact between the right front tire/wheel assembly...
Steering Linkage Outer Tie Rod Replacement Tie Rods and Linkage      Steering Linkage Outer Tie Rod Replacement Callout Component Name Preliminary Procedure Remove the front tire and wheel. Refer toTire and Wheel Removal and Installation. 1 Steering Linkage Outer Tie Rod Nut...
Steering Linkage Shock Absorber Replacement Tie Rods and Linkage      Special Tools J 24319-B Steering Linkage and Tie Rod Puller Removal ProcedureRemove the engine shield, if equipped. Refer toEngine Shield Replacement. Note:Discard the steering linkage shock absorber nut. Remove the...
Steering Shaft Coupling Replacement Steering Wheel and Column      Special Tools J-42640Steering Column Anti-rotation Pin Removal Procedure Warning:Refer toSIR Warning. Caution:With wheels of the vehicle facing straight ahead, secure thesteering wheel utilizing steering column anti-rotation...
Steering Shaft Lower Bearing Replacement Steering Wheel and Column      Steering Shaft Lower Bearing Replacement Callout Component Name Preliminary Procedure Remove the steering wheel position sensor. Refer toSteering Wheel Position Sensor Replacement. 1 Steering Shaft Lower...
Steering Shaft Upper Bearing Replacement Steering Wheel and Column      Special ToolsJ 21854-01 Pivot Pin RemoverJ 23653-SIR Steering Column Lock Plate CompressorJ 42137 Cam Orientation Plate AdapterJ 42640 Steering Column Anti-Rotation PinRemoval Procedure Warning:Refer toSIR Warning. Remove the...
Steering Wheel Adjustment Steering Wheel and Column      To adjust the steering wheel: Hold the steering wheel and pull the lever.Move the steering wheel up or down.Release the lever to lock the wheel in place. Do not adjust the steering wheel while driving.
Steering Wheel Airbag Coil Replacement Steering Wheel and Column      Special Tools J 42640 Steering Column Anti-Rotation Pin Removal Procedure Caution:With wheels of the vehicle facing straight ahead, secure thesteering wheel utilizing steering column anti-rotation pin,steering column lock, or...
Steering Wheel Heat Control Module Replacement Steering Wheel and Column      Steering Wheel Heat Control Module Replacement Callout Component Name Preliminary Procedure Remove the horn switch. Refer toSteering Wheel Horn Switch Replacement. 1 Steering Wheel Heat Module Screw (Qty:-5)...
Steering Wheel Horn Switch Replacement Steering Wheel and Column      Steering Wheel Horn Switch Replacement Callout Component Name Warning:Refer toSIR Warning. Preliminary Procedure Remove the inflatable restraint steering wheel module. RefertoAirbag Steering Wheel Module...
Steering Wheel Position Sensor Centering Steering Wheel and Column - part 3      If you are installing a new sensor, the new sensor will comewith a pin. Do not remove the pin until the sensor is seated. Ifthe pin is not installed in the sensor, order a new sensor. Looking at the FRONT of the sensor, align...
Steering Wheel Position Sensor Centering Steering Wheel and Column - part 2      From the technicians point of view, the FRONT of the sensorwill have:A flush rotor flange cuff-(3)A pin hole-(1) for the centeringpin—Note the location of the pin hole.An alignment mark-(2) on the flush rotor flangecuff for...
Steering Wheel Position Sensor Centering Steering Wheel and Column      Removal Procedure Caution:With wheels of the vehicle facing straight ahead, secure the steering wheel utilizingsteering column anti-rotation pin, steering column lock, or a strap to prevent rotation.Locking of the steering...
Steering Wheel Position Sensor Replacement Steering Wheel and Column      Steering Wheel Position Sensor Replacement Callout Component Name Preliminary Procedure Remove the steering column. Refer toSteering Column Replacement. 1 Steering Column Bracket Screw (Qty:-3)...
Steering Wheel Replacement Steering Wheel and Column      Steering Wheel Replacement Callout Component Name Warning:Refer toSIR Warning. Preliminary Procedure Remove the inflatable restraint steering wheel module. RefertoAirbag Steering Wheel Module Replacement. 1...
Steering Wheel Spoke Lower Cover Replacement Steering Wheel and Column      Steering Wheel Spoke Lower Cover Replacement Callout Component Name Preliminary Procedure Remove the steering wheel horn switch. Refer toSteering Wheel Horn Switch Replacement. 1 Steering Wheel Lower Cover...
Strut and Shock Absorber Inspection (Coil Over Shock) Strut Assembly Dampers Shocks      Note:The coil over shock assembly DOES NOT have to be removed fromthe vehicle to perform the following inspection procedure. Note:A light film of oil on the top portion of the shock absorbertube is normal. DO NOT replace the...
Strut and Shock Absorber Inspection (Shock Absorber) Strut Assembly Dampers Shocks      Note:The shock absorber assembly DOES NOT have to be removed fromthe vehicle to perform the following inspection procedure. Note:A light film of oil on the top portion of the lower shockabsorber tube is normal. DO NOT replace...
Stub Shaft Housing Replacement Hydraulic Steering      Stub Shaft Housing Replacement Callout Component Name Preliminary Procedures Remove the power steering gear. Refer toSteering Gear Replacement. 1 Stub Shaft Housing Bolt (Qty:-4) Caution:Refer toFastener...
Throttle and Brake Pedal Adjustment Hydraulic Brakes Brake Pedal Assembly      On vehicles with this feature, you can change the position of the throttle and brakepedals. The control used to adjust the pedals is located on the instrument panel below theclimate control system. Press the bottom of the...
Thrust Angles Description Wheels      The front wheels aim or steer the vehicle. The rear wheelscontrol tracking. This tracking action relates to the thrustangle-(3). The thrust angle is the path that the rearwheels take. Ideally, the thrust angle is...
Tire and Wheel Assembly Balancing - Off Vehicle - part 3      Note:Use a nylon or plastic-tipped hammer when installing coated clip-on wheel balanceweights to minimize the possibility of damage to the polyester coating. The contour and style of the wheel rim flange will determine which...
Tire and Wheel Assembly Balancing - Off Vehicle - part 2      Static balance is the equal distribution of weight around the wheel circumference.The wheel balance weights-(2) are positioned on the wheel in order to offset the effectsof a heavy spot-(3). Wheels that have static imbalance...
Tire and Wheel Assembly Balancing - Off Vehicle      Warning:Failure to adhere to the following precautions before tirebalancing can result in personal injury or damage tocomponents: Clean away any dirt or deposits from the inside of thewheels.Remove any stones from the...
Tire and Wheel Assembly Runout Measurement - Off Vehicle - part 3      Ignore any jumps or dips due to paint drips,chips, or welds. Slowly rotate the wheel one complete revolution in order tofind the low spot.Set the dial indicator to zero at the low spot.Slowly rotate the wheel one more complete...
Tire and Wheel Assembly Runout Measurement - Off Vehicle - part 2      Position the dial indicator on the vertical outer surface ofthe wheel rim flange – with the tire still mounted– such that the dial indicator is perpendicular to therim flange surface. Wheel runout should be measured on both...
Tire and Wheel Assembly Runout Measurement - Off Vehicle      Raise and support the vehicle.Mark the location of the wheels to the wheel studs and markthe specific vehicle position on each tire and wheel –LF, LR, RF, RR.Remove the tire and wheel assemblies from the vehicle.Closely...
Tire and Wheel Assembly Runout Measurement - On-Vehicle      Raise and support the vehicle.Closely inspect each tire for proper and even beadseating.If any of the tire beads were not properly or evenly seated,reseat the tire bead, then proceed to step-4. Refer toTire and Wheel Removal...
Tire and Wheel Inspection      The tires on all new production models have a tireperformance criteria (TPC) rating number molded on the sidewall.The TPC rating will appear as a 4-digit number preceded by theletters TPC-SPEC on the tire wall near the tire...
Tire Dismounting and Mounting TPMS      Caution:Use a tire changing machine in order to dismount tires. Donot use hand tools or tire irons alone in order to remove the tirefrom the wheel. Damage to the tire beads or the wheel rim couldresult. Caution:Do not scratch...
Tire Pressure Monitor Operation Tires - part 2      The malfunction light and the DIC message should go off aftersuccessfully completing the sensor matching process. See "TPMS Sensor Matching Process"later in this section.One or more TPMS sensors are missing or damaged. The...
Tire Pressure Monitor Operation Tires      This vehicle may have a Tire Pressure Monitor System (TPMS). The TPMS is designedto warn the driver when a low tire pressure condition exists. TPMS sensors are mountedonto each tire and wheel assembly, excluding the spare tire...
Tire Pressure Monitor Tires      This vehicle may have a Tire Pressure Monitor System (TPMS). The low tire pressure warning light alerts to a significant loss in pressure of oneof the vehicle's tires. If the warning light comes on, stop as soon as...
Tire Repair Tires - part 2      Without stretching the plug, cut the plug off justabove the inside tire surface.Consult your repair material supplier for proper repairmaterial selection.Repair Unit Selection Note:Do not install the repair unit in this...
Tire Repair Tires      Warning: Tire changing can be dangerous and should be done by trainedprofessionals using proper tools and procedures. Always read andunderstand any manufacturer's warnings contained in their customersliterature or molded into...
Tire Rotation Tires      Tools Required J 39544-KIT Torque Socket Set Removal Procedure In order to equalize wear, rotate the tires at the specified intervals. Refer toMaintenance Schedule. In addition to scheduled rotation, rotate the tire and...
Tire Rotation Wheels      Tires should be rotated every 12-000 km (7,500-mi). SeeMaintenance Schedule. Tires are rotated to achieve a uniform wear for all tires. The first rotation is themost important. Anytime unusual wear is noticed, rotate the...
Tire Rotation Wheels      Tires should be rotated at the intervals specified in the Maintenance Schedule. SeeMaintenance Schedule. Tires are rotated to achieve a uniform wear for all tires. The first rotation is themost important. Anytime unusual...
Tire-to-Wheel Match-Mounting (Vectoring) Wheels      Note:After remounting a tire to a wheel or after replacing a tireand/or a wheel, remeasure the tire and wheel assembly runout inorder to verify that the amount of runout has been reduced andbrought to within tolerances....
Toe Description Wheels      Toe is a measurement of how much the front and/or rear wheelsare turned in or out from a straight-ahead position. When thewheels are turned in, toe is positive-(+). When thewheels are turned out, toe is negative-(?).The...
Torsion Bar and Support Assembly Replacement (Bushing Style) Springs      Special Tools CH-48809 Torsion Bar Unloading/Loading Tool For equivalent regional tools, refer toSpecial Tools. Removal Procedure Caution:Use care when handling the torsion bars in order to avoidchipping or scratching the...
Torsion Bars Bushing Replacement      Torsion Bars Bushing Replacement Callout Component Name Preliminary ProcedureRaise and support the vehicle. Refer toLifting and Jacking the Vehicle.Remove the torsion bars. Refer toTorsion Bar and Support Assembly...
Transfer Case Speed Sensor Replacement Sensors Wheel Speed Sensors      Removal Procedure Raise and suitably support the vehicle. Refer toLifting and Jacking the Vehicle.Disconnect the speed sensor electrical connector (4). Remove the speed sensor and O-ring.Discard the O-ring.Installation...
Trim Height Inspection - part 2      For vehicles equipped with a torsion bar suspension, turn the bolt-(1)-that contactsthe torsion bar adjusting arm as needed.For vehicles without torsion bars, replace worn or damaged components as necessary.D Height...
Trim Height Inspection      Note:Before performing any of the following adjustment procedures, inspect the entire suspensionsystem for worn or damaged suspension components. Replace those components beforeany measurements or adjustments are performed....
Turbine Speed Sensor Installation Sensors Wheel Speed Sensors      Special Tools J 36850Transjel® Lubricant For equivalent regional tools, refer toSpecial Tools. Install the vehicle speed sensor O-ring-(3) ontothe turbine speed sensor-(2).ApplyJ 36850lubricantto the O-ring-(3).Install...
Turbine Speed Sensor Removal Sensors Wheel Speed Sensors      Remove the vehicle speed sensor bolt-(1) thatretains the turbine speed sensor-(2) to the transmissioncase.Remove the turbine speed sensor-(2).Remove the vehicle speed sensor O-ring-(3) fromthe turbine speed sensor.
Upper Control Arm Ball Joint Inspection Suspension Ball Joints      Special Tools J-8001Dial Indicator Set For equivalent regional tools, refer toSpecial Tools. Note: The vehicle must rest on a level surface.The vehicle must be stable. Do not rock the vehicle on thefloor stands.This...
Upper Control Arm Replacement (1500) Control Arms Upper Control Arm      Upper Control Arm Replacement Callout Component Name Preliminary ProceduresRemove the shock absorber module nuts. Refer toShock Absorber and Spring Removal and Installation.Raise and support the vehicle. Refer...
Upper Control Arm Replacement (2500 3500) Control Arms Upper Control Arm      Special Tools J-42188–BBall Joint Separator For equivalent regional tools, refer toSpecial Tools Removal ProcedureRemove the tire and wheel. Refer toTire and Wheel Removal and Installation. Lower the vehicle and support...
Vehicle Speed Sensor Replacement Sensors Wheel Speed Sensors      Vehicle Speed Sensor Replacement Callout Component Name Preliminary ProceduresRaise and support the vehicle. Refer toLifting and Jacking the Vehicle.Remove the transfer case shield, if equipped. Refer toTransfer Case...
Wheel Alignment - Steering Wheel Angle and or Front Toe Adjustment Steering Wheel and Column      Loosen the jam nut on the inner tierod-(1).Rotate the inner tie rod-(2) to the required toespecification setting. Refer toWheel Alignment Specifications. Caution:Refer toFastener Caution. Install the jam nut-(1) on the tie...
Wheel Bearing Adjustment Hub Bearings      Preliminary Inspection Note:The preceding information is a General Inspection Procedure. If there are hub sealleaks, brake related noise, vibration or wear issues, the wheel bearing end play shouldbe measured to ensure it is...
Wheel Stud Replacement      Special Tools CH-43631Ball Stud Remover For equivalent regional tools, refer toSpecial Tools. Removal ProcedureRaise and support the vehicle. Refer toLifting and Jacking the Vehicle.Remove the tire and wheel. Refer toTire...
Wheel Stud Replacement      Special Tools Required J 43631 Ball Joint Remover For equivalent regional tools, refer toSpecial Tools. Removal ProcedureRaise and support the vehicle. Refer toLifting and Jacking the Vehicle.Remove the tire and wheel. Refer...
Fastener Tightening Specifications - 4WD Driveline Control TPMS      Fastener Tightening Specifications Application Specification Metric English Tire Pressure Sensor Screw 1.3-Y 11.5-lb-in Tire Valve Stem Grommet 7-Y 62-lb-in
Crankshaft Position Reluctor Wheel Learn Wheels      Circuit/System Description The engine control module (ECM) monitors the crankshaft position sensor signal underspecific conditions to calculate errors caused by slight build tolerance variationsin the crankshaft, reluctor...
Fastener Tightening Specifications - 4WD Driveline Control Wheels      Fastener Tightening Specifications Application Specification Metric English Wheel Nuts 190-Y 140-lb-ft Spare Tire Hoist Retaining Bolt 50-Y 37-lb-ft
Fastener Tightening Specifications - 4WD Driveline Control Wheels      Fastener Tightening Specifications Application Specification Metric English Hub Nut 255-Y 188-lb-ft Inboard Flange Bolts 79-Y 58-lb-ft Small Seal Retaining Clamp 136-Y 100-lb-ft
Tire and Wheel Runout Specifications      Tire and Wheel Runout Specifications Application Specification Metric English Tire and Wheel Assembly– Lateral and Radial Off-Vehicle 1.27-mm 0.050-in On-Vehicle 1.52-mm 0.060-in Wheel,...
Tire and Wheel Assembly-to-Hub Axle Flange Match-Mounting      Note:After remounting a tire and wheel assembly to a hub/axleflange, remeasure the tire and wheel assembly on-vehicle runout inorder to verify that the amount of runout has been reduced andbrought to within tolerances. Mark...
Setback Description Wheels      Setback applies to both the front and the rear wheels.Setback is the amount that one wheel may be aligned behind theother wheel. Setback may be the result of a road hazard or acollision. The first clue is a caster difference...
Scrub Radius Description Wheels      Ideally, the scrub radius is as small as possible. Normally,the SAI angle and the centerline of the tire and the wheelintersect below the road surface, causing a positive scrub radius.With struts, the SAI angle is much larger...
Tires and Wheels Description and Operation (Equipment) Wheels      GM Recommended Tire Balancer Hunter RF33 Road Force balancer or equivalent with thefollowing options: Auto Clamp – allows for centering repeatability andprevent damage to the wheel.Wheel Lift – helps prevent wheel damage and...
Metric Wheel Nuts and Bolts Description Wheels      Metric wheel/nuts and bolts are identified in the followingway: The wheel/nut has the word Metric stamped on the face.The letter M is stamped on the end of the wheel bolt. The thread sizes of metric wheel/nuts and the bolts...
Tire and Wheel Balancing (Road Force Variation (RFV)) Wheels      ALL wheel/tire assemblies must have a RFV within spec beforebeing mounted on vehicle. Important:If a wheel/tire assembly is not within the RFV specificationafter match mounting, the tire must be returned to the...
Tire and Wheel Assembly Balancing - On-Vehicle      Special Tools EL-38792-AElectronic Vibration Analyzer(EVA)-2 If after following the tire and wheel vibration diagnosticprocess, some amount of tire and wheel vibration is still evident,an on-vehicle high-speed spin balancer...
Lead Pull Description Wheels      At a constant highway speed on a typical straight road,lead/pull is the amount of effort required at the steering wheel tomaintain the vehicle's straight path. Important:Vehicles will tend to lead/pull in the direction of the...
Dual Tire Rotation Wheels      When the vehicle is new, or whenever a wheel, wheel bolt, or wheel nut is replaced,check the wheel nut torque after 160,-1 600,-and 10 000-km (100, 1,000,-and 6,000-mi)of driving. For proper torque and wheel nut tightening...
Repairing Scratched Wood Steering Wheels Wheels      Repair ProcedureRemove the steering wheel. Refer toSteering Wheel Replacement.Wash the wood section of the wheel with wax and greaseremover.Mask off the non-wood area of the steering wheel. Important:Do NOT sand through the...
Steel Wheel Repair Description Wheels      Caution:Do not heat wheels in an attempt to soften them forstraightening or repair damage from striking curbs, etc. Do notweld wheels. The alloy used in these wheels is heat-treated anduncontrolled heating from welding affects...
Wheel Alignment Specifications (2500 and 3500 Regular Cab - Gas) Wheels      Alignment Condition: Full tank of fuel, no passengers and placed on flat level surface. Wheel Alignment Specifications Front Suspension Wheel Alignment Service at Curb Model and Pickup Box Size RPO Restriction Caster...
Adhesives Fluids Lubricants and Sealers Wheels      Adhesives, Fluids, Lubricants, and Sealers Application Type of Material GM Part Number Canadian Part Number Aluminum Wheel Adhesive/Sealant 12378478 88900041 Wheel Mounting Lubricant 12345884...
Tire Dismounting and Mounting (Tire Inflation) Wheels      Make sure beads of tire are fully seated.Tires are to be inflated to vehicle tire placard spec forproduction assemblies and to placard spec provided with accessorywheels.
Tire Terminology and Definitions Tires - part 2      Recommended Inflation Pressure Vehicle manufacturer's recommended tire inflation pressure as shown on the tire placard.SeeTire PressureandVehicle Load Limits. Radial Ply Tire A pneumatic tire in which the ply cords that...
Tire Terminology and Definitions Tires      Air Pressure The amount of air inside the tire pressing outward on each square inch of the tire.Air pressure is expressed in kPa (kilopascal) or psi (pounds per square inch). Accessory Weight The combined weight of optional...
General Description Wheels      The factory installed tires are designed to operatesatisfactorily with loads up to and including the full rated loadcapacity when these tires are inflated to the recommendedpressures. The following factors have an important...
Tire Dismounting and Mounting (Valve Stem and TPM Installation) Wheels      Anytime a TPM sensor is reused – the valve stem must be replaced.For snap - fit TPM stems, stems do not come pre - lubed. Apply tire lubricant, refertoAdhesives, Fluids, Lubricants, and Sealersto the stem and install...
Tire Dismounting and Mounting (Bead Exercising) Wheels      Most effective if done within 5 minutes of lubeapplication.Tire exercising is required for all tires and should be doneprior to balancing and checking for RFV.Lack of bead exercising will produce excessive RFVreadings.Bead...
Fastener Tightening Specifications - 4WD Driveline Control Wheels      Fastener Tightening Specifications Application Specification Metric English Front Tie Rod Jam Nut 75-Y 55-lb-ft Upper Control Arm Cam Bolt Nuts 190-Y 140-lb-ft
Tire Dismounting and Mounting (Lubricant) Wheels      Important: Lubricant should be applied to form a thin, just visiblelayer, on the bead foot and bead outer areas. There should not beany visible clumps of lubricant.Never use soap or any lubricant net specifically designed...
Wheel Alignment and Tire Balance Tires      The tires and wheels were aligned and balanced at the factory to provide the longesttire life and best overall performance. Adjustments to wheel alignment and tire balancingare not necessary on a regular basis. Consider an...
Wheel Replacement Wheels      Replace any wheel that is bent, cracked, or badly rusted orcorroded. If wheel nuts keep coming loose, the wheel, wheel boltsand wheel nuts should be replaced. If the wheel leaks air, replaceit. Some aluminum wheels can be...
Tire and Wheel Balancing (Wheel Pilot Bore Greasing) Wheels      Beginning with MY 2011 vehicle, pilot bore grease should be applied.To enable this, grease must be applied to the pilot bore to prevent the wheel fromseizing onto the hub.Refer toAdhesives, Fluids, Lubricants, and Sealersfor...
Tire and Wheel Install Instruction Wheels      Installation Instructions Part Number 19156306 Note:Please read the following instructions carefully before mounting the wheels on thevehicle. Labels Your application may require a new tire inflation pressure and mass...
Aluminum Wheel Refinishing Wheels - part 2      The mounting surface and the wheel nut contact surfacesmust not be painted or clearcoated. Coating these surfaces couldaffect the wheel nut torque. Clean and mask and paint the wheels.General Refinishing Procedures...
Aluminum Wheel Refinishing Wheels      Aluminum Wheel Refinishing Guidelines Warning:To avoid personal injury when exposed to plastic media blast,hand and/or lathe sanding dust, primer, color coat, and clearcoat,you must work in a properly ventilated area, wearing...
Tire Dismounting and Mounting (Match Mounting) Wheels      Match mounting is required on any wheel/tire assembly notwithin RFV specification. Important:If a wheel/tire assembly is not within the RFV specificationafter match mounting, the tire must be returned to the tiremanufacturer....
Wheel Alignment Measurement Wheels      Steering and vibration complaints are not always the resultof improper alignment. One possible cause is wheel and tireimbalance. Another possibility is tire lead due to worn orimproperly manufactured tires. Lead/pull is...
Replacement Wheels Description Wheels      Replace the wheel if any of the following conditionsexist: The wheel exhibits excessive runout.The wheel is bent.The wheel is cracked.The wheel is severely rusted.The wheel is severely corroded. Note:Air leaks caused by...
Tires and Wheels Description and Operation (Tire Identification) Wheels      IdentificationAccessory and warranty replacement must use TPC spectires.An outboard orientation stripe is added to the tread surface,with an offset toward the outboard tire face.All GM approved tires (Production, Service and...
Adhesives Fluids Lubricants and Sealers Wheels      Adhesives, Fluids, Lubricants, and Sealers Application Type of Material GM Part Number United States Canada Wheels Valve Stem TPM Mounting Lubricant 9985709 Or Hunter Equivalent Or Rema Tip Top -...
Tire and Wheel Balancing (Collet Cone Selection) Wheels      Important:Never use the hub cap bore to center the wheel onto thebalancer. The pilot bore (on the hub side of the wheel) is machinedto be concentric to very tight non - standard tolerances. Thebottom cap bore is not machined...
Tire Inspection Tires      We recommend that the tires, including thespare tire, if the vehicle has one, be inspected for signs of wearor damage at least once a month. Replace the tire if: The indicators at three or more places aroundthe tire can be...
Tire Pressure for High-Speed Operation Tires      Warning:Driving at high speeds, 160-km/h(100-mph) or higher, puts an additional strain on tires.Sustained high-speed driving causes excessive heat buildup and cancause sudden tire failure. You could have a crash and you or...
Fastener Tightening Specifications - Wheels Wheels      Fastener Tightening Specifications Application Specification Metric English Clamp Fit TPM Stem Locknut 7-Y- Dynamically 62-lb-in Clamp Fit TPM Stem Locknut 4-Y-Statically 35-lb-in
Tire Pressure Monitor Description and Operation TPMS      The tire pressure monitor (TPM) system warns the driver when a significant loss, orgain of tire pressure occurs in any of the 4-tires and allows the driver to displaythe individual tire pressures and their locations on the...
Wander Description Wheels      Wander is the undesired drifting or deviation of a vehicle toeither side from a straight path with hand pressure on the steeringwheel. Wander is a symptom of the vehicle's sensitivity to externaldisturbances, such as road...
Tire Inflation Description Tires      When you inflate the tires to the recommended inflationpressures, the factory-installed wheels and tires are designed inorder to handle loads to the tire's rated load capacity. Incorrecttire pressures, or under-inflated tires,...
Tire and Wheel Balancing (Balancing Wheel Weights) Wheels      Use 3M wheel weights, refer toAdhesives, Fluids, Lubricants, and Sealersfor application.Surface of the wheel must be clean and dry.All tire and wheel assemblies are to be checked for statictolerance of 2 grams and not more...
General Description      All 15 series utility vehicles use a 5-link rearsuspension system. The rear axle is attached to the frame with theupper control arms, lower control arms, and a track bar. Two coilsprings and a link mounted rear stabilizer...
General Description      The front suspension allows each wheel to compensate forchanges in the road surface without affecting the opposite wheel.Each wheel independently connects to the frame with a steeringknuckle, ball joint assemblies, and upper...
Adhesives Fluids Lubricants and Sealers      Adhesives, Fluids, Lubricants, and Sealers Application Type of Material GM Part Number US Canada Stabilizer Shaft Link Bolt Threadlocker Blue LOCTITE-#-242 12345382 10953489
Fastener Tightening Specifications - 4WD Driveline Control      Fastener Tightening Specifications Application Specification Metric English Hub and Bearing Assembly to Steering Knuckle Bolts (1500/2500/3500 Series) 180-Y 133-lb-ft Lower Ball Joint Stud Nut (1500,...
Trim Height Specifications      Trim Height Specifications Model Option Service Allowed Service Preferred Cross-Z-Trim Height, L-R Cross-D-Trim Height, L-R Z Trim Height: All 1500-specs are-±14-mm 2500/3500-specs are-±6-mm. C1500 All...
Fastener Tightening Specifications - 4WD Driveline Control      Fastener Tightening Specifications Application Specification Metric English Rear Jounce Bumper – 1500 33-Y 24-lb-ft Rear Leaf Spring Shackle Nut – 2500, 3500 175-Y 129-lb-ft Rear Shock Absorber...
Fastener Tightening Specifications - 4WD Driveline Control Steering Wheel and Column      Fastener Tightening Specifications Application Specification Metric English Automatic Transmission Control Bolt 10-Y 89-lb-in Shift Lever Bolt 20-Y 15-lb-ft Steering Column Bracket Screw 6-Y...
Fastener Tightening Specifications - 4WD Driveline Control Tie Rods and Linkage      Fastener Tightening Specifications Application Specification Metric English Idler Arm Nut at the Relay Rod 113-Y 83-lb-ft Idler Arm Nut at the Vehicle Frame 165-Y 122-lb-ft Pitman Arm Nut at...
Power Steering Pump Specifications Hydraulic Steering Steering Pump      Power Steering Pump Specifications Vehicle Engine Size High Flow (Liters per Minute) High Flow (Gallons per Minute) Pressure Relief (kPa) Pressure Relief (PSI) C 1500 4.3L 11/12.5 2.9/3.3 9825/10514...
Power Steering Control Module Programming and Setup Steering Control      Power Steering Control Module (PSCM) Replacement andSetup The following service procedures require either a programmingor a setup event performed for a complete repair. If the power steering control module (PSCM) is replaced,...
Power Steering System Description and Operation (EPS) Hydraulic Steering      The 42-volt rack & pinion electric power steering(EPS) system reduces the amount of effort needed to steer thevehicle using the power steering control module (PSCM) to controlthe power steering motor to maneuver the steering...
Power Steering System Description and Operation (Hydraulic Power Steering) Hydraulic Steering      The hydraulic power steering pump is a constant displacementvane-type pump that provides hydraulic pressure and flow for thepower steering gear. The hydraulic power steering pump isbelt-driven. The power steering fluid...
Fastener Tightening Specifications - 4WD Driveline Control Hydraulic Steering      Fastener Tightening Specifications Application Specification Metric English Electronic Power Steering Control Module Bolt 9-Y 80-lb-in Pitman Arm Nut at the Relay Rod 125-Y 92-lb-ft Pitman Arm...
Steering Wheel in the Full Turn Position Caution Steering Wheel and Column      Caution:Do not hold the steering wheel in the full turn positionlonger than 5 seconds, as damage to the steering pump mayresult.
Tie Rod Boot Caution Tie Rods and Linkage      Caution:Ensure the Outer Tie Rod Boot is not twisted or deformed during assembly. If the bootis twisted or deformed, damage to the boot will occur.
Power Steering System Bleeding Hydraulic Steering      Important: Use clean, new power steering fluid type only. See theMaintenance and Lubrication subsection for fluid specifications.Refer toFluid and Lubricant Recommendations.Hoses touching the frame, body or engine may cause...
Steering Wheel and Column Description and Operation Steering Wheel and Column - part 2      If vehicle power is lost,and/or the transmission is not in the PARK position the operatorwill not be able to turn the ignition key to the lock position andwill not be able to remove the ignition key from the column. Linear...
Steering Wheel and Column Description and Operation Steering Wheel and Column      The steering wheel and column has 4-primaryfunctions: Heated Steering WheelVehicle steeringVehicle securityDriver convenienceDriver safetyHeated Steering Wheel The heated steering wheel control module controls the...
Power Steering System Flushing Hydraulic Steering      Note:Do not reuse any drained power steering fluid regardless ofappearance or condition. Raise the vehicle until the front wheels are off the ground.Refer toLifting and Jacking the Vehicle.Place a large drain pan under the...
Steering Linkage Description and Operation Tie Rods and Linkage      The steering linkage consists of the followingcomponents: A pitman armAn idler armA relay rod2 adjustable tie rods When you turn the steering wheel, the steering gear rotatesthe pitman arm which forces the relay rod to one...
Adhesives Fluids Lubricants and Sealers Hydraulic Steering      Adhesives, Fluids, Lubricants, and Sealers Application Type of Material GM Part Number United States Canada Power Steering Fluid GM Power Steering Fluid 89021184 89021186
Power Steering Hose Disconnected Caution Hydraulic Steering      Caution:Do not start the vehicle with any power steering gear inletor outlet hoses disconnected. When disconnected, plug or cap allopenings of components. Failure to do so could result incontamination or loss of power steering...
Checking and Adding Power Steering Fluid (With Hydroboost) Hydraulic Steering      Caution:When adding fluid or making a complete fluid change, alwaysuse the proper power steering fluid. Failure to use the properfluid will cause hose and seal damage and fluid leaks. If the power steering system has been...
Fastener Tightening Specifications - 4WD Driveline Control Parking Brake      Fastener Tightening Specifications Application Specification Metric English Parking Brake Cable Guide Bolt 12-Y 106-lb-in Parking Brake Indicator Switch Bolt 3-Y 27-lb-in Parking Brake...
Drum Brake Component Specifications Drum Brakes      Drum Brake Component Specifications Brake Drum Specifications Specification Metric English Maximum Allowable Diameter 296.5-mm 11.673-in Maximum Allowable Radial Runout 0.06-mm 0.0024-in...
Brake System Specifications      Brake System Specifications Application Specification Metric English Brake Pedal Maximum Travel (Non-Hybrid)* Vacuum Power Assist 60-mm 2.36-in Hydraulic Power Assist 90-mm 3.54-in Brake...
Parking Brake Shoe Inspection Parking Brake      Warning:Refer toBrake Dust Warning. Raise and support the vehicle. Refer toLifting and Jacking the Vehicle.Remove the tire and wheel assembly. Refer toTire and Wheel Removal and Installation.Remove the rear brake caliper...
Fastener Tightening Specifications - 4WD Driveline Control Drum Brakes      Fastener Tightening Specifications Application Specification Metric English Backing Plate Bolts 135-Y 100-lb-ft Bleeder Valve 9-Y 80-lb-in Brake Pipe Fitting 19-Y 14-lb-ft Wheel...
Hydraulic Brake System Bleeding (Pressure) Hydraulic Brakes - part 2      Install a proper box-end wrench onto the RIGHT REAR wheelhydraulic circuit bleeder valve.Install a transparent hose over the end of the bleedervalve.Submerge the open end of the transparent hose into atransparent container...
Hydraulic Brake System Bleeding (Pressure) Hydraulic Brakes      Special ToolsJ-29532Diaphragm Pressure Bleeder, orequivalentJ-35589-ABrake Pressure Bleeder Adapter Warning:Refer toBrake Fluid Irritant Warning. Caution:Refer toBrake Fluid Effects on Paint and Electrical Components Caution....
Brake Rotor Assembled Lateral Runout Correction - On Vehicle Lathe Disc Brakes Brake Rotors      Note:This procedure is not used in Europe. Special Tools CH-45101-100 Conical Brake Rotor Washers For equivalent regional tools, refer toSpecial Tools. Warning:Refer toBrake Dust Warning. Note: Brake rotor thickness...
Parking Brake Adjustment (1500 Drum Brake Without TZ0) Parking Brake      Special Tools J-28662Brake Pedal Effort Gauge Warning:Refer toBrake Dust Warning. Note:The park brake cable adjusting nut is a nylon lock type. Useonly hand tools whenever loosening or tightening the adjustingnut. Note:The...
Brake Fluid Irritant Warning      Warning:Brake fluid may irritate eyes and skin. In case of contact,take the following actions: Eye contact—rinse thoroughly with water.Skin contact—wash with soap and water.If ingested—consult a physician immediately.
Fastener Tightening Specifications - 4WD Driveline Control      Fastener Tightening Specifications Application Specification Metric English Trailer Brake Control Module Bolt 6-Y 53-lb-in Trailer Brake Control Module Bracket Bolt 9-Y 80-lb-in Trailer Brake...
Brake Rotor Refinishing Disc Brakes Brake Rotors - part 2      Refer toBrake Rotor Thickness Measurement.If at any time the brake rotor exceeds the minimum allowable thickness after refinishspecification, the brake rotor must be replaced.After refinishing the brake rotor, use the following...
Brake Rotor Refinishing Disc Brakes Brake Rotors      Special ToolsCH-41013 Rotor Resurfacing KitCH-42450-A Wheel Hub Resurfacing Kit For equivalent regional tools, refer toSpecial Tools. Warning:Refer toBrake Dust Warning. Note: The disc brake rotors do not require refinishing...
Disc Brake Component Specifications Disc Brakes      Disc Brake Component Specifications Application Specification Metric English Front Brakes J92, JD9, JF3, JF7 Rotor Discard Thickness* 28.0-mm 1.102-in Rotor Minimum Allowable Thickness After Refinish...
Exhaust Brake Description and Operation (LGH or LML)      Exhaust Brake Description and Operation The exhaust brake system creates a restriction in the exhaustsystem that induces back pressure against the engine. This slowsthe vehicle using the engine and transmission. The exhaust...
Brake Assist System Description and Operation (Vacuum Assist)      System Component Description The brake assist system consists of the following: Brake Pedal Receives, multiplies and transfers brake system input forcefrom driver. Brake Pedal Pushrod Transfers multiplied input force received...
Brake Pad and Rotor Burnishing Disc Brakes Brake Pads      Warning:Road test a vehicle under safe conditions and while obeyingall traffic laws. Do not attempt any maneuvers that couldjeopardize vehicle control. Failure to adhere to these precautionscould lead to serious personal...
Brake Warning System Description and Operation      Brake Warning IndicatorHydraulic Brakes Block Diagram B80 Park Brake Switch B20 Brake Fluid Level Switch K9 Body Control Module P16 Instrument ClusterHard-Wired Serial Data B80-Park Brake Switch B20-Brake Fluid Level Switch...
Hydraulic Brake Assist System Noise Inspection Hydraulic Brakes      Tools Required J 28662Brake Pedal Effort Gauge Install theJ 28662Brake Pedal Effort Gaugeto the brake pedal.Start the engine and allow it to idle. Ensure that the wheels are directed straightahead.Apply and maintain the...
Brake Dust Warning      Warning:Avoid taking the following actions when you service wheelbrake parts: Do not grind brake linings.Do not sand brake linings.Do not clean wheel brake parts with a dry brush or withcompressed air. Some models or...
Brake Pedal Travel Measurement and Inspection (Two-mode Hybrid) Hydraulic Brakes Brake Pedal Assembly      Note:The brake corners must be cool to obtain the most accuratemeasurement. Place the transmission in PARK. Note:The ignition must be OFF, without pausing at ACCESSORY, andwithout applying the brake pedal to ensure the brake...
Drum Brake System Description and Operation Drum Brakes      System Component Description The drum brake system consists of the following: Drum Brake Shoes Applies mechanical output force (from hydraulic brake wheelcylinders) to friction surface of brake drums. Brake Drums Uses...
Brake Rotor Assembled Lateral Runout Correction Disc Brakes Brake Rotors      Note: Brake rotor thickness variation MUST be checked BEFOREchecking for assembled lateral runout (LRO). Thickness variationexceeding the maximum acceptable level can cause brake pulsation.Refer toBrake Rotor Thickness...
Parking Brake Adjustment (1500 Drum Brake With TZ0) Parking Brake      Note:This vehicle utilizes a self-tensioning, or self-adjustingpark brake cable system. The park brake system does not requireadjustment under normal operating conditions. The tension on thepark brake cables can be disabled...
Fastener Tightening Specifications - 4WD Driveline Control Disc Brakes      Fastener Tightening Specifications Application Specification Metric English Brake Caliper Bleeder Screw 10-Y 89-lb-in Brake Caliper Bracket Bolt, Front (JD9, JF3, JF7, JG4) 175-Y 129-lb-ft...
Brake Shoe Inspection Drum Brakes Drum Shoes      Inspect the linings every 9-650-km(6,000-mi) and any time the wheels are removed (tirerotation, etc.). Inspect the lining for wear by removing the plugand using the inspection hole. Replace the shoe and liningassemblies when...
Brake Component Specifications      Brake Component Specifications Application Specification Metric English Brake Caliper Bleeder Valve 10-Y 89-lb-in
Brake Drum Refinishing Drum Brakes      Special ToolsJ 41013 Rotor/Drum Flange Resurfacing KitJ 42450-A Hub Cleaning Kit Warning:Refer toBrake Dust Warning. The brake drums do not require refinishing as part of routine brake system service.Do not refinish brake...
Disc Brake System Description and Operation Disc Brakes      System Component Description The disc brake system consists of the followingcomponents: Disc Brake Pads Applies mechanical output force from the hydraulic brakecalipers to friction surfaces of brake rotors. Disc Brake Rotors...
Hydraulic Brake System Bleeding (Two-mode Hybrid) Hydraulic Brakes - part 2      Install the J-35589-A Brake Pressure Bleeder Adapter, or equivalent, to the brake master cylinder reservoir.Inspect the brake fluid level in the J-29532-A Brake Pressure Bleeder, or J-29532 Diaphragm Pressure Bleeder, or...
Hydraulic Brake System Bleeding (Two-mode Hybrid) Hydraulic Brakes      Special ToolsJ-29532-A Brake Pressure Bleeder, or J-29532 Diaphragm Pressure Bleeder, or equivalentJ-35589-A Brake Pressure Bleeder Adapter, or equivalent Warning:Refer toBrake Fluid Irritant Warning. Caution:Refer toBrake...
Park Brake System Description and Operation (Drum Brake) Parking Brake      System Component Description The park brake system consists of the following: Park Brake Pedal Assembly Receives and transfers park brake system apply input forcefrom driver to park brake cable system. Releases park brake...
Hydraulic Brake System Description and Operation Hydraulic Brakes      System Component Description The hydraulic brake system consists of the following: Hydraulic Brake Master Cylinder Fluid Reservoir Contains supply of brake fluid for the hydraulic brakesystem. Hydraulic Brake Master Cylinder...
Antilock Brake System Automated Bleed Dynamics Control ABS Control      Caution:Refer toBrake Fluid Effects on Paint and Electrical Components Caution. Note:The base hydraulic brake system must be bled beforeperforming this automated bleeding procedure. If you have not yetperformed the base...
Electronic Brake Control Module Programming and Setup Dynamics Control ABS Control      EBCM Programming and Setup — Hybrid If the electronic brake control module (EBCM) is replaced orneeds reprogrammed, the following procedures must beperformed: EBCM Reprogramming—Refer toService Programming System (SPS)....
ABS Description and Operation Dynamics Control ABS Control - part 4      In this way, fluid from the master cylinderduring failed system, and push through operation is applied only tothe wheel brakes, and not lost in the simulator. In normaloperation the valve is turned on (opened). Electronic Brake...
ABS Description and Operation Dynamics Control ABS Control - part 3      Regenerative Brake Blending Regenerative brake blending is done by using the driverbraking intent information to request a powertrain braking torque,by receiving feedback about how much powertrain torque is applied,and...
ABS Description and Operation Dynamics Control ABS Control - part 2      General Operation The driver applies the pedal and thereby builds pressure inthe primary chamber of the master cylinder with the primary piston.The fluid from the primary chamber is transmitted from the mastercylinder by the...
ABS Description and Operation Dynamics Control ABS Control      This vehicle is equipped with an EBC 440 ABS/EBD/VSES/SCBmodule. This module provides the following vehicle performanceenhancement systems: Antilock Brake System (ABS)Electronic Brake DistributionSlip Control BoostMaster...
Rear Wheel Speed Sensor Ring Replacement Sensors Wheel Speed Sensors      Removal Procedure Note:The wheel speed sensor ring is integral to the wheel hub andmust be replaced as an assembly. Raise and support the vehicle. Refer toLifting and Jacking the Vehicle.Remove the tire and wheel assembly....
Fastener Tightening Specifications - 4WD Driveline Control Dynamics Control ABS Control      Fastener Tightening Specifications Application Specification Metric English Brake Pipe Fitting- Brake Pressure Modulator Valve(BPMV) Inlet With JL4 32-Y 24-lb-ft Brake Pipe Fitting- BPMV Inlet Without JL4...
Electronic Brake Control Module Scan Tool Information (Without JL4) Dynamics Control ABS Control      Table 1: Electronic Brake Control Module Scan Tool DataParameters Table 2: Electronic Brake Control Module Scan Tool OutputControls Electronic Brake Control Module Scan Tool DataParameters Parameter System State...
Fastener Tightening Specifications - 4WD Driveline Control Dynamics Control ABS Control      Fastener Tightening Specifications Application Specification Metric English Antilock Brake System (ABS) Module Splash Shield Bolt 20-Y 15-lb-ft Brake Pressure Modulator Valve (BPMV) Bolt 9-Y...
ABS Description and Operation (Without JL4) Dynamics Control ABS Control - part 3      It is important to verify that ECE-13 isnot the cause of an ABS indicator which is illuminated when no DTCsare set, before attempting to diagnose other possiblecauses. Driver Information Indicators and Messages The following...
ABS Description and Operation (Without JL4) Dynamics Control ABS Control - part 2      Thetypical ABS activation sequence is as follows. Pressure Hold The EBCM closes the isolation valve and keeps the dump valveclosed in order to isolate the slipping wheel when wheel slipoccurs. This holds the pressure steady...
ABS Description and Operation (Without JL4) Dynamics Control ABS Control      This vehicle is equipped with an EBC 345 ABS/EBDmodule. This module provides the following vehicle performanceenhancement systems. Antilock Brake System (ABS)Electronic Brake Distribution (EBD) The following components are...
Externally Generated Electronic Interference (Speed Sensor Signals) Sensors Wheel Speed Sensors      Use the following procedures in order to determine if speedsensor signals, generated by a source external to the transmissionor wiring harness, are present: Turn the ignition ON.Keep the engine OFF.If the transmission control...