GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 41820 Ball Joint/Stud Separator

Removal Procedure

  1. Remove the coil spring. Refer to Coil Spring Replacement .

  2. Object Number: 629199  Size: SH
  3. Make a mark on the lower control arm at the cam indicator (1) .
  4. Using the J 41820 , separate the ball joint from the knuckle.

  5. Object Number: 629235  Size: SH
  6. Remove the lower control arm to crossmember mounting bolts (1, 5) .
  7. Remove the lower control arm.

Installation Procedure

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


    Object Number: 629235  Size: SH
  3. Install the bolts (5) and the nuts (4) to the lower control arm.
  4. Tighten
    Tighten the nuts to 50 N·m (37 lb ft).

  5. Install the cam bolt (1) and the cam washer (2) to the lower control arm.
  6. Important: Align the cam indicator to the mark on the lower control arm.

  7. Install the cam nut (3) to the lower control arm.
  8. Tighten
    Tighten the cam nut to 145 N·m (107 lb ft).

  9. Install the coil spring. Refer to Coil Spring Replacement .