GM Service Manual Online
For 1990-2009 cars only

Tools Required

KM-619 Bushing Remover/Installer.

Removal Procedure

    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. Remove the rear wheel. Refer to Tire and Wheel Removal and Installation.

  3. Object Number: 1958997  Size: SH

    Important: Mark the location of the bolt and nut relative to the upper control arm for correct re-assembly.

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

  4. Remove the upper control arm to knuckle retaining bolt (2) and nut (1).
  5. Discard the nut.

  6. Disconnect the upper control arm (4) from the knuckle (3).

  7. Object Number: 1959002  Size: SH

    Important:  It is recommended to observe the orientation and depth of the knuckle to upper control arm bushing (2) with reference to the original position. Adhering to this recommendation will minimize the potential of incorrect knuckle to upper control arm bushing (2) installation.

  8. Remove the upper control arm to knuckle bushing (2) using the KM-619 (1, 3).
  9. Inspect all parts for wear and damage.

Installation Procedure


    Object Number: 1959005  Size: SH

    Important: Before installing, the upper control arm to knuckle bushing (2) must be correctly aligned and orientated.

  1. Install the upper control arm to knuckle bushing (2) to the knuckle (3) using the KM-619 (1, 4).

  2. Object Number: 1958997  Size: SH
  3. Connect the upper control arm (4) to the knuckle (3).
  4. Important: The upper control arm to knuckle retaining bolt and nut must not to be fully tightened at this stage.

  5. Install the upper control arm to knuckle retaining bolt (2) and NEW nut (1).
  6. Do not fully tighten at this stage.

  7. Remove the safety stands.
  8. Lower the vehicle to the ground.
  9. Bounce the vehicle several times to settle the suspension.
  10. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1959072  Size: SH

    Important: Align the mark from bolt to upper control arm made prior to removal.

    Important: The weight of the vehicle must be on a level surface and on all four wheels before fully tightening the nuts and bolts.

  11. Tighten the upper control arm to knuckle retaining bolt (2) and NEW nut (1).
  12. Tighten
    Tighten the bolt and nut to 60 N·m(44 lb ft).

    Tighten the bolt and nut to 90 Degrees.

  13. Check the vehicle rear wheel alignment and adjust if necessary. Refer to Wheel Alignment Specifications.