Workshop Repair and Service Manuals GMC SIERRA
Articles

Transmission Transaxle

Control Valve Body Disassemble Automatic Transmission Unit Control Valve Body      Warning:Refer toValve Springs Can Be Tightly Compressed Warning. Remove the manual valve-(340). Remove the forward accumulator cover bolts-(364)and the forward accumulator cover-(363).Remove the forward accumulator...
Control Valve Body Fluid Passages (Case Side) Automatic      Control Valve Body Fluid Passages (Case Side) (#2) Checkball (61) (#3) Checkball (61) (#4) Checkball (61) (#5) Checkball (61) (#6) Checkball (61) (#8) Checkball (61) (#12) Checkball (61) (3)...
Control Valve Body Installation Automatic Transmission Unit Control Valve Body      Special ToolsJ-25025-5Dial Indicator MountingPost–M6-x-1.00J-36850Transjel Lubricant Inspect the wiring harness and solenoid assembly for thefollowing conditions:DamageCracked connectorsExposed wiresLoose electrical...
Control Valve Body Locating Pin Replacement Automatic Transmission Unit Control Valve Body      Special Tools J 43779Locating Pin Installer For equivalent regional tools, refer toSpecial Tools. Caution:DO NOT mar the main valve body surface when installing thelocating pin(s). Tap gently on the locating pin...
Control Valve Body Replacement Automatic Transmission Unit Control Valve Body      Removal ProcedureRemove the fluid level indicator.Raise the vehicle. Refer toLifting and Jacking the Vehicle.Remove the oil pan, gasket, and filter. Refer toAutomatic Transmission Fluid and Filter Replacement. ml nu...
Control Valve Body Spacer Plate Assembly - Control Valve Upper Body Assembly Side Automatic      Control Valve Body Spacer Plate Assembly – BottomChannel Plate Side 12 34 35 29/28 15 13 34 34 3054 15 29 25 15 37/53 48 50 (2) Line (8) Cooler Feed (9) Center Lube (10) Regulator Apply (11) Compensator...
Control Valve Body Spacer (w Gasket) Plate Assembly - Control Valve Upper Body AssemblySide Automatic      Control Valve Body Spacer-(w/Gasket) PlateAssembly-–-Control Valve Upper BodyAssembly Side 25 25 11 204 (2) Line (3) Line or Auxiliary Line (5) A Cooling (6) B Cooling (10) Actuator Feed Limit (11)...
Control Valve Channel Plate - Control Solenoid Valve Assembly Side Automatic      Control Valve ChannelPlate-–-Control Solenoid ValveAssembly Side (10) Actuator Feed Limit (11) PS1 (12) PCS Line (15) PCS 3 Signal (19) PCS 4 Signal (20) Solenoid 1 Signal (21) PS3 (22) PS4...
Control Valve Channel Plate - Control Valve Upper Body Assembly Side Automatic      Control Valve ChannelPlate-–-Control Valve Upper BodyAssembly Side (2) Line (3) Line or Auxiliary Line (5) A Cooling (6) B Cooling (10) Actuator Feed Limit (11) PS1 (12) PCS Line (14)...
Control Valve Lower Body Assembly - Control Solenoid Valve Assembly Side Automatic      Control Valve Upper Body Assembly – ControlSolenoid Valve Assembly Side (12) Actuator Feed Limit (17) Solenoid 1 (18) Solenoid 2 (38) PCS TCC (39) PCS1-2-3-4 Clutch (40) PS4 (41) PS1 (42) PS3...
Control Valve Lower Body Assembly - Control Valve upper Body Assembly Side Automatic      Control Valve Lower Body Assembly – Control ValveUpper Body Assembly Side (2) Line (9) Center Lube (10) Regulator Apply (11) Compensator Feed (12) Actuator Feed Limit (13) Reverse (14) 3-5...
Control Valve Solenoid Replacement (PCS1 and PCS2) Automatic      Removal Procedure Remove the oil pan and transmission internal oil filter.Refer toOil Pan Replacement.Disconnect the internal wiring harness from the solenoidbeing changed.Remove the 2 bolts that fasten reverse...
Control Valve Upper Body Assembly - Case Assembly Side Automatic      Control Valve Upper BodyAssembly-–-Case AssemblySide __ 38 3838 (2) Line (5) A Cooling (6) B Cooling (12) PCS Line (14) Auxiliary Line (18) HL 12 Clutch (25) 13 Clutch (30) HD 234 Clutch...
Control Valve Upper Body Assembly - Case Side Automatic      Control Valve Upper Body Assembly – Case Side (2) Line (9) Center Lube (10) Regulator Apply (11) Compensator Feed (14) 3-5 Reverse Clutch (26) 1-2-3-4 Clutch (29) CBR1 (Manual 1st) (30) CBR...
Control Valve Upper Body Assembly - Control Valve Channel Plate Side Automatic      Control Valve Upper BodyAssembly-–-Control Valve ChannelPlate Side (2) Line (3) Line or Auxiliary Line (5) A Cooling (6) B Cooling (10) Actuator Feed Limit (11) PS1 (12) PCS Line (14)...
Control Valve Upper Body Assembly - Lower Control Valve Body Side Automatic      Control Valve Upper Body Assembly – Bottom ChannelPlate Side (2) Line (9) Center Lube (10) Regulator Apply (11) Compensator Feed (12) Actuator Feed Limit (13) Reverse (14) 3-5 ReverseClutch...
Converter Housing Removal Automatic      Special ToolsDT-49037MorTorq BitJ-41510T-50 Plus Bit For equivalent regional tools, refer toSpecial Tools. Remove the converter housing bolts (94). Use theJ-41510T-50 plus bitfor bolt-(1) andDT-49037mortorq bitfor...
Counter Gear Shaft and Components Manual      Counter Gear Shaft and Components (1) Front Bearing Cover (2) Front Bearing Race (3) Front Bearings and Rollers (4) Counter Shaft (5) Rear Bearing (6) Rear Bearing Race (7) Rear Bearing Adjuster...
Counter Gear Shaft Assemble Manual      Using a driving tool, install the bearing. Install the gear assembly. Install the bearing and the gear assembly bearingrace. Install the 2-caged gears, with the rollers andspacer, into the reverse gear. Install...
Counter Gear Shaft Disassemble Manual      Use an impact gun to loosen and remove the nut from the mainshaft. Remove the yoke flange from the main shaft, asnecessary. Using a 10-mm socket, remove the vehicle speedsensor-(VSS) screw. Remove the VSS....
Counter Gear Shaft Reverse Idler and Components Manual      Counter Gear Shaft, Reverse Idler, and Components (1) Center Gear Front BearingSpacer (2) Center Gear Bearing Shim (3) Center Gear Front Bearing (4) Center Gear Front BearingAssembly (5) Center Gear Front...
Default Forward - 3rd Range Limp Home Automatic      If electrical power is interrupted while the transmission isin third range, SS1 and the torque converterclutch-(TCC) solenoid (if TCC is applied) arede-energized. Shift valve-1 de-strokes, changing theexhaust path of the 4-5-6...
Default Reverse - Limp Home Automatic      If electrical power is interrupted with the transmissionoperating in reverse range, resulting in neutral operation, mainpressure is directed through shift valve-3 to shiftvalve-2. Because shift valve-2 stays strokeddue to the...
Differential Drive Pinion Gear Yoke Replacement Automatic      Removal Procedure Place the transmission in the Park-(P) selector position. Warning:Apply the parking brake and block the drive wheels beforeperforming this procedure in order to prevent bodily injury. Apply the parking...