GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 731580  Size: SH
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  2. Raise and support the rear axle at the designed D-height. Refer to Trim Height Specifications.
  3. If equipped with air suspension, depressurize the air suspension system. Refer to Air Suspension Depressurization.
  4. Remove the rear axle lower control arm to the axle mounting nut and bolt.

  5. Object Number: 731582  Size: SH
  6. Remove the rear axle lower control arm to the frame mounting nut and bolt.
  7. Remove the lower control arm.

Installation Procedure


    Object Number: 731582  Size: SH
  1. Install the lower control arm.
  2. Install the rear axle lower control arm to the frame mounting nut and bolt.
  3. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 731580  Size: SH
  4. Install the rear axle lower control arm to the axle mounting bolt and nut and tighten to 100 N·m (74 lb ft).
  5. Remove the rear axle support.
  6. Lower the vehicle.