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. Use the utility stand at the rear cross member of the frame to support the frame.

  3. Object Number: 1548950  Size: SH
  4. Remove the reinforcement bolts (3).
  5. Remove the rear frame to body bolts (2). DISCARD the bolts.
  6. Remove the reinforcement (1) from the vehicle.

Installation Procedure


    Object Number: 1548950  Size: SH
  1. Position the reinforcement (1) to the vehicle.
  2. Loosely install NEW rear frame to body bolts (2).
  3. Loosely install the reinforcement bolts (3).
  4. Notice: Refer to Fastener Notice in the Preface section.

  5. Tighten the reinforcement bolts (3).
  6. Tighten
    Tighten the bolts to 50 N·m (37 lb ft).

  7. Tighten the frame to body bolts (2).
  8. Tighten
    Tighten the bolts to 155 N·m (114 lb ft).

  9. Remove the utility stand from the frame.
  10. Lower the vehicle.