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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> Suspension >> Front Suspension >> Front Suspension System >> Repair Instructions >> Lower Ball Joint Replacement (RWD) >> Installation Procedure

Installation Procedure

  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. 

    Press in until the ball joint bottoms in the control arm.

    Fig 1: Pressing Lower Ball Joint Into Lower Control Arm
    G01646236Courtesy of GENERAL MOTORS CORP.
  3. Install the grease seal and the grease fitting to the lower ball joint.
    • 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.
  4. Remove the steering knuckle support.
  5. Install the lower ball joint to the steering knuckle.
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  6. Install the lower ball joint retaining nut.

    Tighten 

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

  7. Install a new cotter pin. Tighten the nut up to an additional 1/8 amount in order to insert the cotter pin through the lower ball joint stud. Bend the pin ends against the nut flats.
  8. Using a grease gun, grease to the lower ball joint until grease appears at the lower ball joint grease seal.
  9. Install the tire and wheel. Refer to TIRE AND WHEEL REMOVAL AND INSTALLATION in Tires and Wheels.
  10. Remove the safety stand from the lower control arm.
  11. Lower the vehicle.
  12. Check the front wheel alignment. Refer to MEASURING WHEEL ALIGNMENT in Wheel Alignment.
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