GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1389307  Size: SH
  1. Raise and support the vehicle with safety stands. Refer to Lifting and Jacking the Vehicle .
  2. Support the transmission with safety stands.
  3. Remove the transmission mount to transmission support nuts.

  4. Object Number: 816259  Size: SH
  5. Remove the transmission support mount to transmission nuts .
  6. Remove the transmission support.

Installation Procedure


    Object Number: 816259  Size: SH
  1. Install the transmission support to the vehicle.
  2. Notice: Refer to Fastener Notice in the Preface section.

  3. Install the transmission support to transmission nuts .
  4. Tighten
    Tighten the nuts to 70 N·m (52 lb ft).


    Object Number: 1389307  Size: SH
  5. Install the transmission support to transmission mount nuts.
  6. Tighten
    Tighten the nuts to 70 N·m (52 lb ft).

  7. Remove the safety stands from the transmission.
  8. Lower the vehicle.