GM Service Manual Online
For 1990-2009 cars only

Transmission Rear Mount Replacement AWD

Removal Procedure

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  2. Remove the exhaust system. Refer to Exhaust System Replacement.
  3. Support the transmission with a suitable jack and a block of wood.
  4. Remove the transmission support to body mounting bolts.

  5. Object Number: 888315  Size: SH
  6. Remove the transmission to support mounting bolts.
  7. Remove the transmission mount from the vehicle.

Installation Procedure

  1. Install the transmission mount to the vehicle.
  2. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 888315  Size: SH

    Note: The transmission mount bolts must be tightened in the proper order.

  3. Tighten the right side transmission mount assembly bolt.
  4. Tighten
    Tighten the bolts to 110 N·m (81 lb ft).

  5. Tighten the left side transmission mount assembly bolt.
  6. Tighten
    Tighten the bolts to 110 N·m (81 lb ft).

  7. Install the transmission mount to body mounting bolts.
  8. Tighten
    Tighten the bolts to 60 N·m (44 lb ft).

  9. Remove the transmission support.
  10. Install the exhaust system.
  11. Lower the vehicle.

Transmission Rear Mount Replacement RWD

Removal Procedure

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  2. Remove the exhaust system. Refer to Exhaust System Replacement.
  3. Support the transmission with a suitable jack and a block of wood.
  4. Remove the transmission support to body mounting bolts.

  5. Object Number: 888314  Size: SH
  6. Remove the transmission to support mounting bolts.
  7. Remove the transmission mount from the vehicle.

Installation Procedure

  1. Install the transmission mount to the vehicle.
  2. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 888314  Size: SH
  3. Install the transmission to support mounting bolts.
  4. Tighten
    Tighten the bolts to 60 N·m (44 lb ft).

  5. Install the transmission mount to body mounting bolts.
  6. Tighten
    Tighten the bolts to 60 N·m (44 lb ft).

  7. Remove the transmission support.
  8. Install the exhaust system.
  9. Lower the vehicle.