GM Service Manual Online
For 1990-2009 cars only

Special Tools

J 43631 Ball Joint Remover

Removal Procedure

Notice: The ball stud must not rotate during disassembly or reassembly. Hand tools must be used to keep the ball stud from rotating. If air tools are used and the stud is allowed to rotate, damage to the ball stud and/or stud mounting hole may occur.

  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. Important: Remove the brake caliper and mounting bracket as an assembly. Relocate the assembly and support with mechanics wire.

  4. Remove the brake caliper mounting bracket. Refer to Rear Brake Caliper Bracket Replacement.
  5. Remove the shock absorber. Refer to Shock Absorber Replacement.

  6. Object Number: 1972585  Size: SH
  7. Remove the upper ball joint retaining nut (2) from the knuckle (1).

  8. Object Number: 802249  Size: SH
  9. Using the J 43631 , remove the upper ball joint from the upper control arm.

  10. Object Number: 1972604  Size: SH
  11. Remove the upper control arm nuts (2) and bolts (1) from the frame.

  12. Object Number: 1972623  Size: SH
  13. Remove the upper control arm (1) from the vehicle.

Installation Procedure


    Object Number: 1972623  Size: SH
  1. Position the upper control arm (1) in the frame.
  2. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1972604  Size: SH
  3. Install the upper control arm mounting bolts (1) and the retaining nuts (2).
  4. Tighten
    Tighten the mounting bolts to 120 N·m (88 lb ft).


    Object Number: 1972585  Size: SH
  5. Install the upper ball joint (1) to the knuckle (2).
  6. Tighten
    Tighten the upper ball joint nut to 20 N·m (15 lb ft) plus an additional 210 degree turn.

  7. Install the brake caliper mounting bracket. Refer to Refer to Rear Brake Caliper Bracket Replacement.
  8. Install the shock absorber. Refer to Shock Absorber Replacement
  9. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation
  10. Remove the support and lower the vehicle.
  11. Check the rear wheel alignment. Refer to Wheel Alignment Specifications.