Workshop Repair and Service Manuals GMC SIERRA
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Brakes

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...
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...
12-05-26-001 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...
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...