GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Tools Required

    • J 28467-A Engine Support Fixture
    • J 28467-90 Engine Support Adapter
    • J 36462 Engine Support Adapter Leg Set
    • J 35944-A Oil Cooler and Line Flusher

    Object Number: 161104  Size: SH
  1. Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical
  2. Remove the throttle body air inlet duct. Refer to Air Cleaner Assembly Replacement in Engine Controls.
  3. Install the Engine Support Fixture. Refer to Engine Support Fixture in Engine Mechanical.
  4. Remove the engine mount struts. Refer to Engine Mount Strut Replacement in Engine Mechanical.
  5. Disconnect the wiring harness connectors from the transaxle.
  6. Remove the automatic transaxle range selector cable from the PNP switch. Refer to Range Selector Lever Cable Replacement .
  7. Remove the automatic transaxle range selector cable bracket with cable from transaxle. Refer to Range Selector Lever Cable Bracket Replacement .
  8. Remove the PNP switch. Refer to Park/Neutral Position Switch Replacement .
  9. Remove the fluid filler tube. Refer to Transmission Fluid Filler Tube Replacement .

  10. Object Number: 160965  Size: SH
  11. Remove the upper transaxle bolts (3, 4 and 5) and stud (2).
  12. Remove the wiring harness grounds.
  13. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information
  14. Remove the tires and wheels. Refer to Tire and Wheel Removal and Installation in Tires and Wheels
  15. Remove the engine splash shields. Refer to Engine Splash Shield Replacement in Body Front End.
  16. Remove both tie rod ends from the steering knuckles. Refer to Rack and Pinion Outer Tie Rod End Replacement in Power Steering Systems
  17. Remove the power steering gear to frame retaining bolts. Refer to Steering Gear Replacement in Power Steering System.
  18. Use wire to secure the power steering gear to the vehicle. Remove the power steering gear from the frame. Refer to Steering Gear Replacement in Power Steering System.
  19. Remove the power steering cooler line clamps from the frame.
  20. Remove the engine mount lower nuts. Refer to Engine Mount Bracket Replacement in Engine Mechanical.
  21. Remove the lower ball joints from the lower control arms. Refer to Lower Control Arm Replacement in Front Suspension
  22. Remove the torque converter cover. Refer to Torque Converter Cover Replacement .
  23. Remove the starter motor. Refer to Starter Motor Replacement in Engine Electrical

  24. Object Number: 160984  Size: SH
  25. Remove the torque converter bolts.
  26. Drain the transaxle fluid.
  27. Remove the transaxle oil cooler hoses from the transaxle. Refer to Automatic Transmission Oil Cooler Hose Replacement .
  28. Disconnect the drive axles from the transaxle. Refer to Wheel Drive Shaft Replacement .
  29. Secure the drive axles to the steering knuckle and struts.
  30. Disconnect the wheel speed sensors wiring harness connectors. Refer to Wheel Speed Sensor Replacement in Antilock Brake System.
  31. Disconnect the vehicle speed sensor wiring harness connector. Refer to Vehicle Speed Sensor Replacement .
  32. Use the transaxle table to support the transaxle and frame.
  33. Remove the transaxle brace. Refer to Transmission Brace Replacement .

  34. Object Number: 160965  Size: SH
  35. Remove the lower transaxle bolt (6) and stud (1).
  36. Remove the frame to body bolts. Refer to Frame Removal in Frame and Underbody.
  37. Lower the transaxle and frame from the vehicle.
  38. Using a suitable hoisting device remove the transaxle from the frame and carefully move it to a bench.
  39. In order to perform the transmission inspection procedure and for the transmission overhaul procedure, refer to Transmission/Transaxle/Transfer Case Unit Repair Manual.
  40. Use the J 35944-A or equivalent to flush the following components whenever the transaxle is removed for overhaul or whenever the torque converter pump or the case is replaced:
  41. • Flush the transaxle oil cooler(s).
    • Flush the hoses.
    • Flush the pipes.
    • Refer to Transmission Fluid Cooler Flushing .

Installation Procedure

Tools Required

    • J 28467-A Engine Support Fixture
    • J 28467-90 Engine Support Adapter
    • J 36462 Engine Support Adapter Leg Set
  1. Install the transaxle to the frame on the transaxle table.
  2. Raise the transaxle and frame assembly to the vehicle.
  3. Install the frame to body bolts. Refer to Frame Removal in Frame and Underbody.

  4. Object Number: 160965  Size: SH

    Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  5. Install the lower transaxle bolt (6) and stud (1).
  6. Tighten
    Tighten the lower transaxle to engine and engine to transaxle bolts to 75 N·m (55 lb ft).

  7. Install the transaxle brace. Refer to Transmission Brace Replacement .
  8. Remove the transaxle table.
  9. Connect the vehicle speed sensor wiring harness connector. Refer to Vehicle Speed Sensor Replacement .
  10. Connect the wheel speed sensors wiring harness connectors. Refer to Wheel Speed Sensor Replacement in Antilock Brake System.
  11. Connect the drive axles to the transaxle. Refer to Wheel Drive Shaft Replacement in Wheel Drive Shafts
  12. Install the transaxle oil cooler hoses to the transaxle. Refer to Automatic Transmission Oil Cooler Hose Replacement .

  13. Object Number: 160984  Size: SH
  14. Install the torque converter bolts.
  15. Tighten
    Tighten the torque converter bolts to 63 N·m (46 lb ft).

  16. Install the starter motor. Refer to Starter Motor Replacement in Engine Electrical
  17. Install the torque converter cover. Refer to Torque Converter Cover Replacement .
  18. Install the lower ball joints to the lower control arms. Refer to Lower Control Arm Replacement in Front Suspension
  19. Install the engine mount lower nuts. Refer to Engine Mount Bracket Replacement in Engine Mechanical.
  20. Install the power steering cooler line clamps to the frame.
  21. Install the power steering gear to the frame. Refer to Steering Gear Replacement in Power Steering System.
  22. Install both the tie rod ends to the steering knuckles. Refer to Rack and Pinion Outer Tie Rod End Replacement in Power Steering System.
  23. Install the engine splash shields. Refer to Engine Splash Shield Replacement in Body Front End.
  24. Install the front tires and wheels. Refer to Tire and Wheel Removal and Installation in Tires and Wheels
  25. Install the fluid filler tube. Refer to Transmission Fluid Filler Tube Replacement .
  26. Remove the vehicle support.
  27. Lower the vehicle.

  28. Object Number: 160965  Size: SH
  29. Install the upper transaxle bolts (3,4 and 5) and stud (2). and install the wiring harness grounds.
  30. Tighten
    Tighten the upper transaxle bolts and stud to 75 N·m (55 lb ft).

  31. Install the PNP switch. Refer to Park/Neutral Position Switch Replacement .
  32. Install the automatic transaxle range selector cable bracket with cable to transaxle. Refer to Range Selector Lever Cable Bracket Replacement .
  33. Install the automatic transaxle range selector cable to the PNP switch. Refer to Range Selector Lever Cable Replacement .
  34. Install the wiring harness connectors to the transaxle.

  35. Object Number: 161104  Size: SH
  36. Install the engine mount struts. Refer to Engine Mount Strut Replacement in Engine Mechanical.

  37. Object Number: 160965  Size: SH
  38. Remove the Engine Support Fixture. Refer to Engine Support Fixture in Engine Mechanical.
  39. Install the throttle body air inlet duct. Refer to Air Cleaner Assembly Replacement in Engine Controls.
  40. Connect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical
  41. Notice: Do NOT overfill the transaxle. The overfilling of the transaxle causes foaming, loss of fluid, shift complaints, and possible damage to the transaxle.

  42. Adjust the transmission fluid level. Refer to Transmission Fluid Check .
  43. Inspect for proper completion of the repairs.
  44. Inspect for transmission fluid leaks. Refer to Fluid Leak Diagnosis .
  45. Perform a front end alignment. Refer to Wheel Alignment Measurement in Wheel Alignment
  46. Road test the vehicle to verify the transmission is functioning properly. Refer to Road Test .