GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1940509  Size: LH

    Important: Only replace springs in pairs. When replacing the springs, the springs which correspond to the vehicle version and equipment level available from Aftersales must be used. When lifting at the jacking points on the vehicle, take care that all rear axle bolts and the contact points for the centering device remain accessible.

  1. Remove the rear wheels.
  2. Important: Ensure that the vehicle does not lift from the lifting platform attachment points.

  3. Position 2 jackstands to keep the axle from lowering while springs are removed.
  4. Detach the shock absorbers (2) at both sides of rear axle.
  5. Remove the 2 bolts.

    Important: 

       • Ensure that the brake pressure hoses are not stretched.
       • Note installation position of damping rings.

  6. Lower the jackstands enough to allow for spring removal.
  7. Remove the 2 springs with damping rings at top and bottom.
  8. Detach the 4 damping rings from the springs.

Installation Procedure


    Object Number: 1948670  Size: LH

    Important: Ensure that they are seated correctly.

  1. Insert the upper and lower damping rings in the springs.
  2. Insert the 2 springs in the rear axle and the vehicle underbody spring mounts.
  3. Important: Ensure that the vehicle does not lift from the lifting platform attachment points.

  4. Attach the shock absorbers (3) to rear axle at both sides.
  5. Notice: Refer to Fastener Notice in the Preface section.

  6. Raise the rear axle using jackstands until the rear shock absorbers can be installed.
  7. Tighten
    Tighten the 2 bolts to 130 N·m (96 lb ft).

  8. Lower the jackstands and remove.
  9. Install the rear wheels.
  10. Tighten
    Tighten to 110 N·m (81 lb ft).