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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 734 (Front Suspension System) >> Repair Instructions >> Upper Ball Joint Replacement (AWD) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2002 GMC Safari and 2002 Chevrolet Astro. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the upper ball joint to the upper control arm.
  2. Install the upper ball joint to the upper control arm mounting bolts and nuts. Tighten the upper ball joint to the upper control arm mounting nuts to 30 N.m (22 lb ft).
  3. Install the speed sensor bracket to the upper control arm mounting bolt and nut. Tighten the wheel sensor bracket to upper control arm mounting nut to 16 N.m (12 lb ft).
  4. Install the brake hose bracket to the upper control arm mounting bolt and nut. Tighten the brake hose bracket to upper control arm mounting nut to 16 N.m (12 lb ft).
  5. Connect the upper ball joint to the steering knuckle.
  6. Install the upper ball joint to steering knuckle retaining nut. Tighten the upper ball joint to steering knuckle retaining nut to 98 N.m (72 lb ft).
  7. Install a new cotter pin. Tighten the nut up to an additional 1/6 amount in order to insert the cotter pin through the upper ball joint stud. Bend the pin against the nut flats.
  8. Install the upper ball joint grease fitting.
  9. Using a grease gun, grease the upper ball joint until grease appears at the upper ball joint grease seal.
  10. Install the tire and wheel.
  11. Remove the safety stand from the lower control arm.
  12. Lower the vehicle.
  13. Check the front wheel alignment. Refer to MEASURING WHEEL ALIGNMENT .
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