GM Service Manual Online
For 1990-2009 cars only

Tools Required

J-42188-B Ball Joint Separator

Removal Procedure

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Remove the tire and wheel. Refer to Tire and Wheel Removal and Installation .
  3. Remove the retaining bolt for the brake hose and the wheel speed sensor brackets.
  4. Remove the nut at the upper ball joint. Discard the nut.

  5. Object Number: 1809906  Size: SH
  6. Disconnect the upper control arm from the steering knuckle using the J-42188-B .

  7. Object Number: 793281  Size: SH
  8. Remove the upper control arm nuts and the adjustment cams.
  9. Remove the upper control arm.

Installation Procedure

  1. Install the upper control arm.
  2. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 793281  Size: SH
  3. Install the upper control arm bolts.
  4. Tighten
    Tighten the nuts to 190 N·m (140 lb ft).

  5. Connect the upper control arm to the steering knuckle .
  6. Install the new nut to the upper ball joint stud.
  7. Tighten
    Tighten the nut to 50 N·m (39 lb ft).

  8. Install the retaining bolts for the brake hose and wheel speed sensor brackets.
  9. Tighten
    Tighten the bolts to 9 N·m (80 lb in).

  10. Install the tire and wheel. Refer to Tire and Wheel Removal and Installation .
  11. Lower the vehicle.
  12. Verify the wheel alignment. Refer to Wheel Alignment Specifications .