GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 801327  Size: SH
  1. Remove the shift control knob. Refer to Transmission Control Lever Knob Replacement.

  2. Object Number: 834525  Size: SH
  3. Remove the sound insulator foam block from the console.

  4. Object Number: 834521  Size: SH
  5. Remove the bolts (2) securing the shift control assembly to the shift control adapter plate.
  6. Raise the vehicle. Refer to Lifting and Jacking the Vehicle.
  7. Remove both front oxygen sensor. Refer to Heated Oxygen Sensor Replacement - Bank 1 Sensor 1 and Heated Oxygen Sensor Replacement - Bank 2 Sensor 1.

  8. Object Number: 1215598  Size: SH
  9. Remove the exhaust system. Refer to Exhaust System Replacement.

  10. Object Number: 1236100  Size: SH
  11. Remove the propeller shaft (6). Refer to Rear Propeller Shaft Replacement.
  12. Support the transmission with a suitable jack.

  13. Object Number: 785386  Size: SH
  14. Remove the transmission support. Refer to Transmission Support Replacement.
  15. Lower the transmission assembly to gain access to the top of the transmission.

  16. Object Number: 1426990  Size: SH
  17. Remove the shift control assembly from the transmission. Remove the shift control assembly from the vehicle. Refer to Shift Control Assembly Replacement.
  18. Disconnect the following electrical connectors:
  19. • Transmission fluid temperature (TFT) sensor
    • Backup lamp switch
    • Vehicle speed sensor (VSS)
    • Reverse lockout solenoid
    • Gear select/skip shift solenoid
    • Oxygen sensor wiring harness
  20. Disconnect the clutch hydraulic hose at the actuator cylinder. Refer to Clutch Concentric Actuator Cylinder Replacement.
  21. Disconnect the intermediate steering shaft. Refer to Lower Intermediate Steering Shaft Replacement.
  22. Support the frame with a suitable support. Lower the frame approximately 25 mm (1 inch) by loosing the frame bolts then lowering the jack.

  23. Object Number: 2078295  Size: SH
  24. Remove the transmission clutch housing to engine bolts and studs (1, 4).
  25. Remove the transmission from the vehicle by rotating the transmission to the right while sliding the transmission rearward.

Installation Procedure

  1. Install the transmission to the vehicle. Tilt the transmission to the right and slide forward.
  2. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 2078295  Size: SH
  3. Install the transmission clutch housing to engine bolts and studs (1, 4) and tighten to 50 N·m (37 lb ft).
  4. Raise the transmission back into place.
  5. Connect the intermediate steering shaft. Refer to Lower Intermediate Steering Shaft Replacement.
  6. Connect the clutch hydraulic hose at the actuator cylinder. Refer to Clutch Concentric Actuator Cylinder Replacement.
  7. Connect the following electrical connectors:
  8. • TFT sensor
    • Backup lamp switch
    • VSS
    • Reverse lockout solenoid
    • Gear select/skip shift solenoid
    • Oxygen sensor wiring harness

    Object Number: 1426990  Size: SH
  9. Install the shift control assembly to the transmission. Refer to Shift Control Assembly Replacement.
  10. Raise the transmission assembly.

  11. Object Number: 785386  Size: SH
  12. Install the transmission support. Refer to Transmission Support Replacement.
  13. Remove the transmission jack.

  14. Object Number: 1236100  Size: SH
  15. Install the propeller shaft (6). Refer to Rear Propeller Shaft Replacement.
  16. Check the transmission fluid and fill as necessary. Refer to Transmission Fluid Level Inspection and Transmission Fluid Replacement.

  17. Object Number: 1215598  Size: SH
  18. Install the exhaust system. Refer to Exhaust System Replacement.
  19. Install the front oxygen sensors. Refer to Heated Oxygen Sensor Replacement - Bank 1 Sensor 1 and Heated Oxygen Sensor Replacement - Bank 2 Sensor 1.
  20. Lower the vehicle.

  21. Object Number: 834521  Size: SH
  22. Install the bolts (2) securing the shift control assembly to the adapter plate and tighten the bolts to 18 N·m (13 lb ft).

  23. Object Number: 834525  Size: SH
  24. Install the sound insulator foam block into the console.

  25. Object Number: 801327  Size: SH
  26. Install the shift control knob. Refer to Transmission Control Lever Knob Replacement.