GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

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

  2. Object Number: 851620  Size: SH
  3. Remove the rear transaxle mount thru bolt and heat shield.

  4. Object Number: 851572  Size: SH
  5. Remove the rear transaxle mount to frame bolts.
  6. Remove the rear transaxle mount.

Installation Procedure


    Object Number: 851572  Size: SH
  1. Install the rear transaxle mount to frame bolts. Hand tighten the bolts.

  2. Object Number: 851620  Size: SH
  3. Install the rear transaxle mount, heat shield and the thru bolt to the transmission bracket. Hand tighten the bolt.
  4. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 851572  Size: SH
  5. Tighten the rear transaxle mount to frame bolts.
  6. Tighten
    Tighten the bolts to 60 N·m (44 lb ft).

    Note: 

       • Rotate the rear transaxle mount heat shield clockwise until the tab is seated on the mount bracket.
       • The front and rear transmission mounts must be allowed to settle with the thru bolts loosened.


    Object Number: 1497621  Size: SH
  7. Loosen the front transaxle mount thru bolt but do not remove the bolt.

  8. Object Number: 851620  Size: SH
  9. Tighten the rear transmission mount thru bolt.
  10. Tighten
    Tighten the thru bolt to 100 N·m (74 lb ft).


    Object Number: 1497621  Size: SH
  11. Tighten the front transmission mount thru bolt.
  12. Tighten
    Tighten the thru bolt to 100 N·m (74 lb ft).

  13. Lower the vehicle.