Workshop Repair and Service Manuals GMC SIERRA
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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...
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...
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...
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 - 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 - 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 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 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 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 (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...
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...
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...
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...
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...
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 - 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...
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...
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 Brake Pipe Fitting- Brake Pressure Modulator Valve(BPMV) Inlet With JL4 32-Y 24-lb-ft Brake Pipe Fitting- BPMV Inlet Without JL4...
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....
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...
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 - 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 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...