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. Support the rear axle with tall jack stands near each rear shock absorber.
  3. Remove the U-clips from the rear brake hose brackets at the rear axle.
  4. Remove the lower shock bolts. Refer to Shock Absorber Replacement .
  5. Using the tall jack stands, slowly lower the rear axle in order to remove tension from the rear springs.

  6. Object Number: 855051  Size: SH
  7. Remove the spring.

  8. Object Number: 855055  Size: SH
  9. Remove the upper spring seat/jounce bumper from the spring, while leaving the lower spring seat on the axle.

Installation Procedure


    Object Number: 855055  Size: SH

    Important: The rear springs are indexed with the colored tag toward the rear of the vehicle. No up/down or side to side orientation is required.

  1. Install the upper spring seat/jounce bumper on the spring.

  2. Object Number: 855051  Size: SH
  3. Install the spring with the spring tag toward the rear of the vehicle, making sure the lower coil is seated into the lower spring seat.
  4. Using the jack stands, raise the rear axle in order to compress the rear springs.
  5. Install the lower shock absorber bolts. Refer to Shock Absorber Replacement .
  6. Reposition the rear brake hoses in the axle brackets.
  7. Install the U-clips to secure the brake hoses.
  8. Lower the vehicle.