GM Service Manual Online
For 1990-2009 cars only

Lower Control Arm Ball Joint Replacement RWD

Tools Required

    • J 9519-E Lower Ball Joint Remover and Installer Set
    • J 23742 Ball Joint Separator

Removal Procedure

    Caution: Refer to Floor Jack Caution in the Preface section.


    Object Number: 160827  Size: SH
  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Support the lower control arm with a safety stand.
  3. Remove the tire and wheel. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.

  4. Object Number: 130899  Size: SH
  5. Remove the lower ball joint cotter pin and the retaining nut.
  6. Break the lower ball joint loose from the steering knuckle using J 23742 .
  7. Remove J 23742 .
  8. Pull the steering knuckle free from the lower ball joint.
  9. Support the steering knuckle in order to prevent the steering knuckle weight from damaging the brake hose.
  10. Remove the rubber grease seal from the lower ball joint.
  11. Remove the lower ball joint grease fitting.

  12. Object Number: 130900  Size: SH
  13. Remove the lower ball joint from the lower control arm using J 9519-E .

Installation Procedure


    Object Number: 130901  Size: SH
  1. Install the lower ball joint to the lower control arm.
  2. Press the lower ball joint into the lower control arm using J 9519-E .
  3. Press in until the ball joint bottoms in the control arm.

  4. Install the grease seal and the grease fitting to the lower ball joint.
  5. • The grease-purge hole of the seal must face inboard.
    • Press the grease seal into place. The seal must be fully seated on the ball joint.
  6. Remove the steering knuckle support.
  7. Install the lower ball joint to the steering knuckle.
  8. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  9. Install the lower ball joint retaining nut.
  10. Tighten
    Tighten the lower ball joint retaining nut to 125 N·m (90 lb ft).

  11. Install a new cotter pin. Tighten the nut up to an additional 1/6 amount in order to insert the cotter pin through the lower ball joint stud. Bend the pin ends against the nut flats.
  12. Using a grease gun, grease to the lower ball joint until grease appears at the lower ball joint grease seal.
  13. Install the tire and wheel. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  14. Remove the safety stand from the lower control arm.
  15. Lower the vehicle.
  16. Check the front wheel alignment. Refer to Wheel Alignment Measurement in Wheel Alignment.

Lower Control Arm Ball Joint Replacement 4WD

Removal Procedure

Tools Required

J 35917 Ball Joint Remover

  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle.
  2. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation.
  3. Unload the torsion bar. Refer to Torsion Bar Replacement .
  4. Mark the adjuster bolt for loading the torsion bar.


    Object Number: 130905  Size: SH
  5. Remove the drive axle nut and the washer.
  6. Notice: Support the caliper with a piece of wire to prevent damage to the brake line.

  7. Remove the brake caliper. Refer to Front Brake Caliper Replacement.

  8. Object Number: 156  Size: SH
  9. Remove the brake rotor.
  10. Disconnect the speed sensor electrical connector.
  11. Remove the speed sensor from the bearing. Refer to Wheel Speed Sensor Replacement.

  12. Object Number: 404316  Size: SH
  13. Remove the bolts from the hub and bearing assembly.

  14. Object Number: 404315  Size: SH

    Important: Lay the wheel hub and bearing assembly on the wheel hub bolts on the outboard side. This prevents damage or contamination to the bearing seal.

  15. Remove the hub and bearing assembly.

  16. Object Number: 1840  Size: SH
  17. Remove the front splash shield.
  18. 11.1. Remove the two bolts.
    11.2. Pivot the shield in order to gain access to the tie rod.
  19. Disconnect the outer tie rod end from the steering knuckle. Refer to Tie Rod Replacement.

  20. Object Number: 165010  Size: MH
  21. Remove the lower ball joint cotter pin.
  22. Remove the lower ball joint nut.
  23. Using the J 35917 , disconnect the knuckle from the lower ball joint.

  24. Object Number: 1832  Size: SH
  25. Remove the lower ball joint rivets.
  26. 16.1. Center punch the bottom of the rivets.
    16.2. Using a 3 mm (1/8 in) drill bit, drill a guide hole 13 mm (½ in) into the rivet heads.

    Object Number: 1833  Size: SH
  27. Using a 8 mm (5/16 in) drill bit, drill the rivet head off. Drill a hole two-thirds the length of the rivet shank using an 8 mm (5/16 in) drill bit.

  28. Object Number: 1834  Size: SH
  29. Using a 8 mm (5/16 in) pin punch, punch out the rivets.
  30. Remove the ball joint.

Installation Procedure


    Object Number: 165014  Size: SH
  1. Install the ball joint to the lower control arm.
  2. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  3. Install the bolts, the flat washers, and the nuts to the ball joint.
  4. Tighten
    Tighten the nuts to 30 N·m (22 lb ft).


    Object Number: 165010  Size: MH
  5. Install the lower ball joint into the steering knuckle. Raise the lower control arm with the jack.
  6. Install the ball joint nut.
  7. Tighten
    Tighten the nut to 128 N·m (95 lb ft).

  8. Install a new cotter pin. Tighten the nut up to an additional 1/6 amount in order to insert the cotter pin through the lower ball joint stud. Bend the pin ends against the nut flats.
  9. Using a grease gun, grease the lower ball joint until grease appears at the lower ball joint seal.
  10. Connect the outer tie rod end to the steering knuckle. Refer to Tie Rod Replacement in Steering Linkage.

  11. Object Number: 1840  Size: SH
  12. Install the front splash shield and the splash shield bolts.
  13. Tighten
    Tighten the bolts to 14 N·m (124 lb in).


    Object Number: 404315  Size: SH
  14. Install the hub and bearing assembly to the steering knuckle.

  15. Object Number: 404316  Size: SH
  16. Install the bolts.
  17. Tighten
    Tighten the bolts to 90 N·m (66 lb ft).

  18. Connect the drive axle to the hub and bearing assembly.
  19. Install the speed sensor to the bearing. Refer to Wheel Speed Sensor Replacement.
  20. Connect the speed sensor electrical connector.

  21. Object Number: 156  Size: SH
  22. Install the brake rotor.
  23. Install the brake caliper. Refer to Front Brake Caliper Replacement.

  24. Object Number: 130905  Size: SH
  25. Install the drive axle washer and the nut.
  26. Tighten
    Tighten the nut to 200 N·m (147 lb ft).

  27. Load the torsion bar. Set the adjuster bolt at the mark made during disassembly. Refer to Torsion Bar Replacement .
  28. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation.
  29. Lower the vehicle.
  30. Check the front wheel alignment. Refer to Wheel Alignment Specifications.