GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Notice: Broken or deteriorated mounts can cause misalignment and destruction of certain drive train components. When a single mount breaks, the remaining mounts are subjected to abnormally high stresses.


    Object Number: 691715  Size: SH
  1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Remove the transmission mount to crossmember nuts.
  3. Remove the transmission mount bolts to the transmission.
  4. Raise the transmission using a suitable transmission jack, just enough in order to permit the removal of the mount.
  5. Remove the transmission mount.

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 691715  Size: SH
  1. Install the rear transmission mount.
  2. Install the transmission mount bolts.
  3. Tighten
    Tighten the transmission mount bolts to 50 N·m (37 lb ft).

  4. Lower the transmission.
  5. Install the transmission mount to crossmember nuts.
  6. Tighten
    Tighten the transmission mount to crossmember nuts to 54 N·m (40 lb ft).

  7. Lower the vehicle.