GM Service Manual Online
For 1990-2009 cars only

    Caution: Refer to Safety Glasses Caution in the Preface section.

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

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .

  2. Object Number: 1943696  Size: SH

    Important: The lower control arm to the subframe retaining bolt (1) and nut (2) eccentric washers (3) are used to adjust rear suspension camber.

    Important: Nuts with micro-encapsulated thread sealant must be discarded after removal.

  3. Remove the lower control arm to the subframe retaining nut (2).
  4. Discard the nut.

    Important: The lower control arm to the subframe retaining nut (2) is not to be fully tightened until after the rear suspension camber has been adjusted.

  5. Install NEW lower control arm to the subframe retaining nut (2).
  6. Do not fully tighten at this stage.

  7. Remove the safety stands.
  8. Lower the vehicle to the ground.
  9. Important: Before checking and adjusting any wheel alignment angles bounce the vehicle to settle the suspension at normal ride height.

  10. Bounce the vehicle several times to settle the suspension.
  11. Determine the actual rear suspension camber angle.
  12. Adjust the rear suspension camber to specification by turning the lower control arm to subframe retaining bolt (1). For rear suspension camber specifications, refer to Wheel Alignment Specifications .
  13. Notice: Refer to Fastener Notice in the Preface section.

    Important: The weight of the vehicle must be on a level surface such as an alignment rack and on all four wheels before fully tightening the bolts and nuts that have been partially tightened. Failure to comply with this requirement may adversely affect the ride and handling characteristics of the vehicle.

    Important: Do not allow the lower control arm to subframe retaining bolt (1) to turn while tightening.

  14. Tighten the lower control arm to subframe retaining bolt (1) and nut (2).
  15. Tighten
    Tighten the bolt and nut to 175 N·m (129 lb ft).

  16. Verify that camber is still within specifications. Refer to Wheel Alignment Specifications .
  17. If further adjustment is required, adjust as necessary.