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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> Suspension >> Front Suspension >> Front Suspension System >> Repair Instructions >> Steering Knuckle Replacement (AWD) >> Installation Procedure

Installation Procedure

  1. Install the steering knuckle to the upper and lower ball joints.
    Fig 1: Installing Steering Knuckle To Upper And Lower Ball Joints
    G01646248Courtesy of GENERAL MOTORS CORP.
  2. Install the lower ball joint to steering knuckle retaining nut.
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  3. Install the upper ball joint to steering knuckle retaining nut.

    Tighten 

    • Tighten the lower ball joint retaining nut to 128 N.m (95 lb ft).
    • Tighten the upper ball joint retaining nut to 98 N.m (72 lb ft).
  4. Install the new cotter pins. Tighten the nuts up to an additional 1/6 amount in order to insert the cotter pin through the upper and lower ball joint studs. Bend the cotter pin ends flat against the nut.
  5. Install the outer tie rod ball stud to the steering knuckle.
  6. Install the outer tie rod ball stud retaining nut.

    Tighten 

    Tighten the outer tie ball retaining nut to 49 N.m (36 lb ft).

    Fig 2: Installing Outer Tie Rod Ball Stud To Steering Knuckle
    G01646249Courtesy of GENERAL MOTORS CORP.
  7. Install a new cotter pin to the outer tie rod stud nut. Bend the pin ends against the nut flats.
  8. Install the wheel hub and bearing. Refer to WHEEL HUB, BEARING, AND SEAL REPLACEMENT (RWD)  or WHEEL HUB, BEARING, AND SEAL REPLACEMENT (AWD)  .
  9. Load the torsion bar. Refer to TORSION BAR REPLACEMENT .
  10. Install the tire and wheel. Refer to TIRE AND WHEEL REMOVAL AND INSTALLATION in Tires and Wheels.
  11. Lower the vehicle.
  12. Check the front wheel alignment. Refer to MEASURING WHEEL ALIGNMENT in Wheel Alignment.
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