GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.

  2. Object Number: 928767  Size: SH
  3. Remove the front transmission mount through bolt.

  4. Object Number: 928736  Size: SH
  5. Remove the rear transmission mount through bolt.
  6. Lower the vehicle.
  7. Remove the battery box. Refer to Battery Box Replacement in Engine Electrical.
  8. Support the powertrain assembly using a floor jack with a 2x6 in. block of wood.

  9. Object Number: 928641  Size: SH
  10. Remove the right engine mount to mount bracket bolts.

  11. Object Number: 928777  Size: SH
  12. Remove the left transmission mount to transmission bolts.
  13. Lower the engine in order to gain clearance to for mount removal.

  14. Object Number: 928785  Size: SH
  15. Remove the left transmission mount to side rail bolts.
  16. Remove the transmission mount from the side rail.

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 928785  Size: SH

    Important: Hand start all bolts before tightening.

  1. Install the transmission mount in the side rail.
  2. Tighten
    Tighten the transmission mount to side rail bolts to 37 N·m (27 lb ft).

  3. Use the floor jack to raise the powertrain into position.

  4. Object Number: 928641  Size: SH
  5. Align both side mounts with the surfaces flush with the mount brackets.
  6. Align all the bolt holes in both side mounts and hand tighten both upper mount bolts. Three per side.

  7. Object Number: 928777  Size: SH
  8. Tighten the mount bolts starting with the center ones.
  9. Tighten
    Tighten both upper mount bolts to 50 N·m (37 lb ft).

  10. Raise the vehicle.

  11. Object Number: 928736  Size: SH
  12. Install the rear mount through bolt. Hand tighten only.

  13. Object Number: 928767  Size: SH
  14. Install the front mount through bolt. Hand tighten only.
  15. Perform the powertrain mount balance procedure. Refer to Engine and Transmission Mount Balancing - All Mounts in Engine Mechanical 2.2L (L61).
  16. Remove the floor jack and block of wood.
  17. Install the battery box. Refer to Battery Box Replacement in Engine Electrical.