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. Raise the transmission support off of the transmission mounts.

  5. Object Number: 1389306  Size: SH
  6. Remove the transmission mount to frame nuts.
  7. Remove the transmission mount.

Installation Procedure


    Object Number: 1389306  Size: SH
  1. Install the transmission mount to the frame.
  2. Notice: Refer to Fastener Notice in the Preface section.

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

  5. Lower the transmission onto the transmission mounts.

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

  9. Remove body support if used.
  10. Remove the safety stands from the transmission.
  11. Lower the vehicle.