GM Service Manual Online
For 1990-2009 cars only

Note: Follow the balance procedure steps listed below. Powertrain mounts must be tightened in sequence.


    Object Number: 1810098  Size: SH
  1. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement.
  2. If equiped with LFA, remove the battery tray. Refer to Battery Tray Replacement.
  3. If equiped with LE5, remove the battery box. Refer to Battery Box Replacement
  4. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  5. Loosen the front transaxle mount through bolt.

  6. Object Number: 1810114  Size: SH
  7. Loosen the rear transaxle mount through bolt.
  8. Lower the vehicle.
  9. Position two floor jacks with wood blocks under the engine and transaxle in order to support the powertrain assembly.

  10. Object Number: 1810135  Size: SH
  11. Loosen the transaxle adapter to transaxle bolts.

  12. Object Number: 1810250  Size: SH
  13. Loosen the engine mount to bracket bolts  (2).
  14. Reposition both floor jacks in order to allow a 1/8 inch gap between the mount and bracket.
  15. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 1810135  Size: SH
  16. Tighten the transaxle adapter to transaxle bolts in the following sequence to 45 N·m (33 lb ft).
  17. 12.1. Rear
    12.2. Front
    12.3. Middle

    Object Number: 1810250  Size: SH
  18. Tighten the engine mount to bracket bolts in the following sequence to 50 N·m (37 lb ft).
  19. 13.1. Middle
    13.2. Rear
    13.3. Front
  20. Remove the floor jacks from under the oil pan.
  21. Shake the powertrain vigorously from front to rear and allow the powertrain to settle.
  22. Raise the vehicle.

  23. Object Number: 1810114  Size: SH
  24. Tighten the rear transaxle mount through bolt to 100 N·m (74 lb ft).

  25. Object Number: 1810098  Size: SH
  26. Tighten the front transaxle mount through bolt to 100 N·m (74 lb ft).
  27. Lower the vehicle.
  28. If equiped with LFA, install the battery tray. Refer to Battery Tray Replacement.
  29. If equiped with LE5, install the battery box. Refer to Battery Box Replacement
  30. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement.