GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 43653 Flywheel Holding Tool

Removal Procedure

  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
  2. Remove the air cleaner outlet duct.
  3. Remove the air cleaner inlet duct, (3.4L only).

  4. Object Number: 414408  Size: SH
  5. Disconnect the transaxle wiring harness from the transaxle and the PNP switch.

  6. Object Number: 104580  Size: SH
  7. Remove the upper transmission to engine bolts and stud.
  8. Remove the 2 bolts from the front torque reaction mount to the transmission.
  9. Remove the frame. Refer to Frame Replacement in Frame and Underbody.
  10. Remove the rear torque reaction mount.

  11. Object Number: 510437  Size: SH
  12. Remove the 2 bolts from the transmission brace.

  13. Object Number: 494775  Size: SH
  14. Disconnect the shift cable from the shift linkage.
  15. Disconnect the cable from the bracket.

  16. Object Number: 510441  Size: SH
  17. Remove the flywheel inspection cover.
  18. Remove the starter. Refer to Starter Motor Replacement in Engine Electrical.
  19. Mark the relationship of the flywheel to the torque converter for reassembly.
  20. Use the J 43653 to prevent the crankshaft from rotating.

  21. Object Number: 475919  Size: SH
  22. Remove the torque converter to flywheel bolts.
  23. Remove the transmission cooler lines by removing the nut holding the bracket to the transaxle case.

  24. Object Number: 414901  Size: SH
  25. Disconnect the VSS wiring harness from the sensor.
  26. Disconnect the wheel drive shafts from the transaxle. Refer to Wheel Drive Shaft Replacement in Front Wheel Drive Shafts
  27. Disconnect the 02 wiring harness from the sensor.
  28. Remove the body to transmission mount bolts.
  29. Remove the oil pan to drain the transmission. Refer to Oil Pan Replacement .
  30. Install the oil pan. Refer to Oil Pan Replacement .
  31. Support the transmission with a suitable jack.

  32. Object Number: 104581  Size: SH
  33. Remove the transaxle to engine nut.
  34. Separate the engine and the transaxle.
  35. Remove the transaxle from the vehicle.
  36. Remove the PNP switch.
  37. Remove the shifter cable bracket.
  38. Remove the transmission mount bracket.
  39. Remove the lower transmission to engine stud.
  40. Flush the transmission cooler and lines. Refer to Transmission Fluid Cooler Flushing and Flow Test .

Installation Procedure

  1. Install the PNP switch.
  2. Install the shifter cable bracket.
  3. Install the lower transmission to engine stud.
  4. Install the transmission mount bracket.

  5. Object Number: 104581  Size: SH
  6. Position the transaxle in the vehicle.
  7. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 104580  Size: SH
  8. Install the lower transmission to engine bolts and nuts.
  9. Tighten
    Tighten the bolts and nuts to 90 N·m (66 lb ft).

  10. Connect the transaxle cooler pipes to the transaxle.
  11. Tighten
    Tighten the cooler pipes to 8 N·m (71 lb in).

  12. Install the transaxle mount to body bolts.
  13. Tighten
    Tighten the bolts to 90 N·m (66 lb ft).

  14. Remove the transmission jack.
  15. Use the J 43653 to prevent the crankshaft from rotating.

  16. Object Number: 475919  Size: SH
  17. Install the torque converter to flywheel bolts.
  18. Tighten
    Tighten the torque converter bolts to 62 N·m (46 lb ft).

  19. Install the wheel drive shafts to the transaxle. Refer to Wheel Drive Shaft Replacement in Front Wheel Drive Shafts.

  20. Object Number: 414901  Size: SH
  21. Connect the wiring harness to the VSS.

  22. Object Number: 510441  Size: SH
  23. Install the starter. Refer to Starter Motor Replacement in Engine Electrical.
  24. Install the flywheel inspection cover bolts.
  25. Tighten
    Tighten the bolts to 10 N·m (89 lb in).

  26. Install the 2 bolts to the front torque reaction mount to the transmission.
  27. Tighten
    Tighten the bolts to 90 N·m (66 lb ft).

  28. Install the rear torque reaction mount.
  29. Tighten
    Tighten the bolts to 90 N·m (66 lb ft).


    Object Number: 510437  Size: SH
  30. Install the transmission to engine brace bolts.
  31. Tighten
    Tighten the bolts to 72 N·m (53 lb ft).

  32. Install the frame. Refer to Frame Replacement in Frame and Underbody.

  33. Object Number: 104580  Size: SH
  34. Install the upper transmission to engine bolts and stud.
  35. Tighten
    Tighten all of the bolts to 90 N·m (66 lb ft).

  36. Install the engine wiring harness grounds to the transaxle to engine mount stud and nut.
  37. Tighten
    Tighten the nut to 8 N·m (71 lb in).

  38. Remove the engine support fixture. Refer to Engine Support Fixture in Engine Mechanical - 2.2L (L61) or Engine Support Fixture in Engine Mechanical - 3.4L.

  39. Object Number: 494775  Size: SH
  40. Install the shift linkage to the transmission.

  41. Object Number: 414408  Size: SH
  42. Connect the electrical connectors to the PNP switch and transaxle.
  43. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
  44. Inspect the transmission fluid level.
  45. 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.

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