GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Support the engine. Refer to Engine Support Fixture .
  2. Remove the battery tray. Refer to Battery Tray Replacement in Engine Electrical.

  3. Object Number: 1239266  Size: SH
  4. Remove the transmission mount to transmission bolts.

  5. Object Number: 1239260  Size: SH
  6. Remove the transmission mount to frame rail bolts.
  7. Remove the mount from the engine.

Installation Procedure

  1. Position the transmission mount on the frame rail.
  2. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1239260  Size: SH
  3. Install the transmission mount to frame rail bolts.
  4. Tighten
    Tighten the bolts to 50 N·m (37 lb ft).


    Object Number: 1239266  Size: SH
  5. Install the transmission mount to transmission bolts.
  6. Tighten
    Tighten the bolts to 50 N·m (37 lb ft).

  7. Install the battery tray. Refer to Battery Tray Replacement in Engine Electrical.
  8. Remove the engine support. Refer to Engine Support Fixture .