GM Service Manual Online
For 1990-2009 cars only

Tools Required

KM-507-C Ball Joint Remover

Removal Procedure

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Remove the front wheels. Refer to Tire and Wheel Removal and Installation .

  3. Object Number: 1242018  Size: SH
  4. Remove the axle shaft caulking nut. Discard the nut.
  5. Remove the lower ball joint nut.

  6. Object Number: 1241963  Size: SH

    Notice: Use only the recommended tools for separating the ball joint from the knuckle. Failure to use the recommended tools may cause damage to the ball joint and seal.

  7. Use the KM-507-C in order to separate the lower ball joint from the steering knuckle.
  8. Remove the outer tie rod nut.

  9. Object Number: 1242019  Size: SH
  10. Use the KM-507-C  (1) in order to separate the outer tie rod end from the steering knuckle.
  11. Notice: Support the brake caliper with heavy mechanic wire, or equivalent, whenever it is separated from its mount and the hydraulic flexible brake hose is still connected. Failure to support the caliper in this manner will cause the flexible brake hose to bear the weight of the caliper, which may cause damage to the brake hose and in turn may cause a brake fluid leak.

    Important: DO NOT disconnect the hydraulic brake flexible hose from the caliper.

  12. Remove the brake caliper and the pads as an assembly and support the assembly with heavy mechanics wire, or equivalent. Verify there is no tension on the brake hose. Refer to Brake Caliper Replacement .
  13. Remove the brake rotor. Refer to Brake Rotor Replacement .

  14. Object Number: 1241969  Size: SH
  15. Remove the ABS wheel speed sensor, if equipped. Refer to Front Wheel Speed Sensor Replacement .
  16. Remove the front strut nuts and bolts.
  17. Notice: Do not overextend the wheel drive shaft. Allowing the inboard joint to overextend can cause separation of the internal components and lead to joint failure.

  18. Support the wheel drive shaft.
  19. Remove the knuckle assembly.
  20. Remove the wheel hub, bearing and seal from the knuckle. Refer to Wheel Hub, Bearing, Knuckle, and Seal Replacement .
  21. Remove the splash shield and the screws from the knuckle.

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1245702  Size: SH
  1. Install the splash shield to the knuckle with the screws.
  2. Tighten
    Tighten the splash shield-to-steering knuckle screws to 4 N·m (35 lb in).

  3. Install the wheel hub, bearing and seal to the knuckle. Refer to Wheel Hub, Bearing, Knuckle, and Seal Replacement .
  4. Install the knuckle assembly to the front strut with the nuts and bolts.
  5. Tighten
    Tighten the knuckle assembly to the front strut with nuts and bolts to 100 N·m (74 lb ft).

  6. Install the ABS wheel speed sensor. Refer to Front Wheel Speed Sensor Replacement .
  7. Install the brake rotor. Refer to Brake Rotor Replacement .
  8. Install the brake caliper. Refer to Brake Caliper Replacement .

  9. Object Number: 1242018  Size: SH
  10. Install the lower ball joint to the steering knuckle.
  11. Install the lower ball joint nut.
  12. Tighten
    Tighten the lower ball joint nut to 55 N·m (41 lb ft).

  13. Install the outer tie rod end to the steering knuckle.
  14. Install the outer tie rod nut.
  15. Tighten
    Tighten the outer tie rod nut to 45 N·m (33 lb ft).

  16. Loosely install a NEW axle shaft caulking nut.
  17. Tighten the axle shaft caulking nut.
  18. Tighten
    Tighten the axle shaft caulking nut to 300 N·m (221 lb ft).

  19. Stake the caulking nut.
  20. Install the front wheels. Refer to Tire and Wheel Removal and Installation .
  21. Lower the vehicle.
  22. Inspect the vehicle. Refer to Preliminary Alignment Inspection and to Straight Ahead Inspection .
  23. Measure the wheel alignment.
  24. If necessary, adjust the front toe. Refer to Front Toe Adjustment .