GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

    Caution: Refer to Vehicle Lifting and Jacking Caution in the Preface section.


    Object Number: 1241999  Size: SH

    Warning: When removing the rear springs, do not use a twin-post type hoist. The swing arch tendency of the rear axle assembly when certain fasteners are removed may cause it to slip from the hoist which may cause personal injury.

  1. Raise and suitably support the vehicle. Use a frame contact hoist if possible and support the rear control arms with jack stands. If it becomes necessary to lift the vehicle with a twin-post hoist, lift the body and support the control arms with jack stands.
  2. Remove the wheel. Refer to Tire and Wheel Removal and Installation.
  3. Remove the right and the left shock absorber bolts. Refer to Shock Absorber Replacement.
  4. Lower the rear axle and remove the springs and the top insulator.

Installation Procedure


    Object Number: 1242000  Size: SH

    Note: Prior to installing the springs, it will be necessary to install the upper insulators to the body and adhesive to keep them in position while raising the axle assembly and the springs.

  1. Install the upper insulator and seat the lower bumper.

  2. Object Number: 1241999  Size: SH
  3. Install the springs and raise the axle.
  4. Install the shock absorbers. Refer to Shock Absorber Replacement.
  5. Note: It will be necessary to bring the axle assembly to trim height prior to tightening the shock absorber attachment bolts.

  6. Install the wheel. Refer to Tire and Wheel Removal and Installation.
  7. Remove the jack stands and lower the vehicle.