GM Service Manual Online
For 1990-2009 cars only

Repair Procedure

Tools Required

J 43653 Flywheel Holding Tool

    Caution: Refer to Battery Disconnect Caution in the Preface section.

  1. Disconnect the negative battery cable.
  2. Install the engine support fixture. Refer to Engine Support Fixture .
  3. Remove the front transmission mount bolts. Refer to Transmission Front Mount Replacement .
  4. Remove the splash shield. Refer to Wheelhouse Splash Shield Replacement in Body Front End.
  5. Remove the air cleaner and duct assembly from the throttle body. Refer to Air Cleaner Assembly Replacement in Engine Controls - 2.4L or Air Cleaner Assembly Replacement in Engine Controls - 3.4L.
  6. Remove the wire harness from the upper transaxle mount bracket.
  7. Remove the upper transaxle mount. Refer to Transmission Mount Replacement - Side .
  8. Remove the shifter cable. Refer to Transmission Control Replacement .

  9. Object Number: 439868  Size: SH
  10. Secure the vehicle radiator and condenser to the upper radiator support.

  11. Object Number: 471755  Size: SH
  12. Remove the ground cables from the engine block.

  13. Object Number: 414408  Size: SH
  14. Disconnect the PNP switch connector.

  15. Object Number: 104580  Size: SH
  16. Remove the upper bell housing bolts.
  17. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  18. Support the vehicle with a safety stand.
  19. Drain the transaxle. Refer to Oil Pan Replacement in Automatic Transaxle 4T40-E/4T45-E.
  20. Remove the front suspension crossmember. Refer to Front Suspension Crossmember Replacement In Front Suspension.
  21. Remove the front tire and wheel assemblies. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  22. Remove the following components:
  23. • The left front inner splash shield. Refer to Wheelhouse Splash Shield Replacement in Body Front End.
    • The right front inner splash shield. Refer to Wheelhouse Splash Shield Replacement in Body Front End.
  24. Remove the lower radiator and condenser support. Refer to Radiator Support in Body Front End.
  25. Remove the front transmission mount bracket bolts and bracket. Refer to Transmission Rear Mount Replacement .

  26. Object Number: 414402  Size: SH
  27. Remove the front antilock brake system (ABS) wheel speed sensor (WSS) connectors.

  28. Object Number: 414399  Size: SH
  29. Unroute the ABS WSS harness.
  30. Remove the brake modulator assembly bolts and the brake modulator assembly. Refer to Brake Pressure Modulator Valve Assembly Replacement in Antilock Brake System.

  31. Object Number: 414901  Size: SH
  32. Remove the vehicle speed sensor.
  33. Use J 43653 to remove the torque converter bolts. Refer to Flywheel to Torque Converter Bolt Replacement in Automatic Transaxle 4T40-E/4T45-E.
  34. Remove the left and right ball joint nuts.

  35. Object Number: 414906  Size: SH
  36. Separate the ball joint from the control arm. Refer to Lower Control Arm Ball Joint Replacement in Front Suspension.
  37. Remove the wheel drive shafts. Refer to Wheel Drive Shaft Replacement in Wheel Drive Shafts.
  38. Remove the front transaxle mount. Refer to Transmission Front Mount Replacement .
  39. Remove the ABS module. Refer to Brake Pressure Modulator Valve Assembly Replacement in Antilock Brake System.
  40. Separate the tie rod ends from the steering knuckles. Refer to Rack and Pinion Outer Tie Rod End Replacement in Power Steering System.
  41. Disconnect the power steering pressure line from the steering gear. Refer to Steering Linkage Inner Tie Rod Replacement in Power Steering System.
  42. Remove the brake lines from the retainer below the rack and pinion.
  43. Remove the steering column pinch bolt and position the intermediate shaft aside. Refer to Steering Gear Replacement in Power Steering System.

  44. Object Number: 414959  Size: SH
  45. Attach the transaxle case to the support stand.
  46. Remove the transaxle-to-engine mount bolts.

  47. Object Number: 104581  Size: SH
  48. Remove the lower 2 bell housing bolts and studs.
  49. Remove the transaxle:
  50. 38.1. Slide the transaxle away from the engine.
    38.2. Carefully lower the support stand.
  51. Flush the transmission cooler and lines. Refer to Transmission Fluid Cooler Flushing and Flow Test .

Installation Procedure

  1. Install the transaxle:
  2. 1.1. Slide the transaxle towards the engine.
    1.2. Carefully raise the support stand.

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 104581  Size: SH
  3. Install the lower transmission to engine bolts and 2 studs.
  4. Tighten
    Tighten the bolts and studs to 90 N·m (66 lb ft).

  5. Install the transaxle-to-engine mount bolts.

  6. Object Number: 414959  Size: SH
  7. Detach the transaxle case from the support stand.
  8. Install the steering column pinch bolt and position the intermediate shaft. Refer to Steering Gear Replacement in Power Steering System.
  9. Install the brake lines from the retainer below the rack and pinion.
  10. Connect the power steering pressure line to the rack and pinion. Refer to Steering Linkage Inner Tie Rod Replacement in Power Steering System.
  11. Install the tie rod ends to the steering knuckles. Refer to Rack and Pinion Outer Tie Rod End Replacement in Power Steering System.
  12. Install the ABS module. Refer to Brake Pressure Modulator Valve Assembly Replacement in Antilock Brake System.
  13. Install the front transaxle mount. Refer to Transmission Front Mount Replacement .
  14. Install the wheel drive shafts. Refer to Wheel Drive Shaft Replacement in Wheel Drive Shafts.

  15. Object Number: 414906  Size: SH
  16. Install the ball joint to the control arm. Refer to Lower Control Arm Ball Joint Replacement in Front Suspension.
  17. Install the left and right ball joint nuts.
  18. Install the torque converter bolts and flywheel cover bolts. Refer to Flywheel to Torque Converter Bolt Replacement .

  19. Object Number: 414901  Size: SH
  20. Install the vehicle speed sensor.
  21. Install the brake modulator assembly bolts and the brake modulator assembly. Refer to Brake Pressure Modulator Valve Assembly Replacement in Antilock Brake System.

  22. Object Number: 414402  Size: SH
  23. Install the front ABS/WSS connectors.
  24. Install the front transmission mount bracket bolts and bracket. Refer to Transmission Front Mount Replacement .
  25. Install the lower radiator and condenser support. Refer to Radiator Support in Body Front End.
  26. Install the following components:
  27. • The left front inner splash shield. Refer to Wheelhouse Splash Shield Replacement in Body Front End.
    • The right front inner splash shield. Refer to Wheelhouse Splash Shield Replacement in Body Front End.
  28. Install the front tire and wheel assemblies. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.

  29. Object Number: 104580  Size: SH
  30. Install the upper bell housing bolts and studs.
  31. Tighten
    Tighten the bolts and studs to 90 N·m (66 lb ft).

  32. Lower the vehicle.

  33. Object Number: 414408  Size: SH
  34. Connect the PNP switch connector.

  35. Object Number: 471755  Size: SH
  36. Install the ground cables from the engine block.

  37. Object Number: 439868  Size: SH
  38. Secure the vehicle radiator and condenser to the upper radiator support.
  39. Install the shifter cable. Refer to Transmission Control Replacement .
  40. Install the upper transaxle mount. Refer to Transmission Rear Mount Replacement .
  41. Install the wire harness from the upper transaxle mount bracket.
  42. Install the air cleaner and duct assembly to the throttle body. Refer to Air Cleaner Assembly Replacement in Engine Controls - 2.4L or Air Cleaner Assembly Replacement in Engine Controls - 3.4L.
  43. Install the splash shield. Refer to Wheelhouse Splash Shield Replacement in Body Front End.
  44. Install the front transmission mount bolts. Refer to Transmission Front Mount Replacement .
  45. Remove the engine support fixture.
  46. Connect the negative battery cable.
  47. Fill the transmission with fluid. Refer to Transmission Fluid Check .
  48. Inspect the transaxle fluid level. Refer to Transmission Fluid Check .
  49. Important: It is recommended that transmission adaptive pressure (TAP) information be reset.

    Resetting the TAP values using a scan tool will erase all learned values in all cells. As a result, The ECM, PCM or TCM will need to relearn TAP values. Transmission performance may be affected as new TAP values are learned.

  50. Reset the TAP values. Refer to Adapt Function .