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: 1260818  Size: SH
  3. Remove the front transmission mount bracket top nut.

  4. Object Number: 1239268  Size: SH
  5. Remove the transmission mount bracket to engine bolts.
  6. Remove the transmission mount bracket from the vehicle.

Installation Procedure

  1. Position the transmission mount bracket to the engine.
  2. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1239268  Size: SH
  3. Install the transmission mount bracket to engine bolts.
  4. Tighten
    Tighten the bolts to 50 N·m (37 lb ft).


    Object Number: 1260818  Size: SH
  5. Install the front transmission mount bracket top nut.
  6. Tighten
    Tighten the nut to 90 N·m (64 lb ft).

  7. Lower the vehicle.