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Home › Hummer › 2009 › H3T Base, Automatic › Repair and Diagnosis › Suspension › Front Suspension › Front Suspension System › Repair Instructions › Steering Knuckle Replacement › Installation Procedure

Installation Procedure

  1. Install the wheel hub and bearing assembly. Refer to Front Wheel Hub, Bearing, and Seal Replacement .
  2. Clean all grease and contaminants from the tapered section and the threads of the lower ball joint, and the tie rod end.
  3. Clean and inspect the taper holes and the mounting surfaces of the steering knuckle. If any of the tapered holes are elongated, out of round, or damaged, replace the steering knuckle.
    4. Fig 1: Identifying Upper Control Arm Pinch Bolt & Lower Control Arm Retaining Nut
    GM1559079Courtesy of GENERAL MOTORS CORP.
    CAUTION: Refer to Fastener Caution .
  4. Connect the lower ball joint to the steering knuckle and install the new retaining nut.

    Tighten:  Tighten the nut to 85 N.m (63 lb ft) plus 60 degrees.

  5. Connect the upper ball joint to the steering knuckle and install the new pinch bolt and nut.

    Tighten:  Tighten the nut to 70 N.m (52 lb ft).

  6. Connect the outer tie rod to the steering knuckle. Refer to Steering Linkage Outer Tie Rod Replacement .
  7. Connect the wheel speed sensor harness to the chassis harness.
  8. Connect the wheel speed sensor harness to inner fender panel.
  9. Install the new wheel drive shaft nut. Refer to Wheel Drive Shaft Replacement .
  10. Install the tire and wheel. Refer to Tire and Wheel Removal and Installation .
  11. Remove the control arm support.
  12. Lower the vehicle.
  13. Verify the wheel alignment. Refer to Wheel Alignment Specifications .
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