Workshop Repair and Service Manuals GMC SIERRA
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Engine Flywheel Removal (Automatic Transmission) Flywheel Flexplate

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Special Tools

J 44643Flywheel Hold Tool

For equivalent regional tools, refer toSpecial Tools.

Engine Flywheel Removal (Automatic Transmission) Flywheel/Flexplate

Remove the flywheel mounting bolts and discard.Remove the flywheel washer.Remove theJ 44643tool.Remove the flywheel assembly.

Control Valve Assembly Removal Automatic     Control Valve Assembly Removal Callout Component Name 1 Control Solenoid (with Body and TCM) Valve Assembly Procedure Disconnect the wiring harness. 2 Shift Shaft Position Switch Procedure Disconnect...
First Range Automatic - part 2     If electrical power is interrupted while the transmission isin first range, moving the manual selector valve toNeutral-(N) will cut off main pressure to the 1-2-3-4clutch and the clutch will be exhausted. The low and reverse...
Accumulator Assembly Spacer Plate and Gaskets Automatic     Special ToolsJ 25025-BPump and Valve Body Alignment Pin SetJ 36850Transjel LubricantRemoval Procedure Raise and support the vehicle. Refer toLifting and Jacking the Vehicle.Remove the transmission oil pan and filter. Refer...
Transmission Internal Mode Switch Logic Automatic Transmission Unit     Transmission Internal Mode Switch Logic Gear Selector Position Signal A Signal B Signal C Signal P Park LOW HI HI LOW Park/Reverse LOW LOW HI LOW Reverse LOW LOW HI HI...
Fastener Tightening Specifications - 4WD Driveline Control Manual     Fastener Tightening Specifications Application Specification Metric English Anchor Support Screw 28-Y 21-lb-ft Backup Lamp Switch 19-Y 14-lb-ft Bearing Retainer Screw 22-Y 16-lb-ft...
Transmission Fluid Auxiliary Cooler Inlet Pipe Replacement Automatic     Removal ProcedureRemove the front bumper impact bar. Refer toFront Bumper Impact Bar Removal and Installation. -. :7 Remove the transmission fluid cooler hose/pipe-(1) from the auxiliary oil cooler.Refer toTransmission...