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HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1455 (FRONT SUSPENSION SYSTEM)REPAIR INSTRUCTIONSSTEERING KNUCKLE REPLACEMENT (4WD)INSTALLATION PROCEDURE
2003 Chevrolet TrailBlazer 4.2 S, 4WD

Installation Procedure

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Installation Procedure
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the steering knuckle to the lower control arm.
    Fig 1: Removing/Installing Lower Ball Joint Retaining Nut
    GM742730Courtesy of GENERAL MOTORS CORP.
    2. NOTE: Refer to Fastener Notice .
  2. Install the lower ball joint retaining nut.

    Tighten:  Tighten the lower ball joint retaining nut to 110 N.m (81 lb ft).

    3. Fig 2: View Of Upper Control Arm To The Steering Knuckle Pinch Bolt And Nut
    GM731542Courtesy of GENERAL MOTORS CORP.
  3. Connect the upper control arm to the steering knuckle.
  4. Install upper control arm pinch bolt and nut.

    Tighten:  Tighten the upper control arm pinch bolt to 40 N.m (30 lb ft).

    5. Fig 3: Removing/Installing Brake Hose Bracket Retaining Bolts
    GM744318Courtesy of GENERAL MOTORS CORP.
  5. Install the brake hose bracket to the steering knuckle.
  6. Install the brake hose bracket retaining bolts.

    Tighten:  Tighten the brake hose bracket retaining bolts to 10 N.m (89 lb in).

    7. Fig 4: Removing/Installing Tie Rod
    GM687435Courtesy of GENERAL MOTORS CORP.
  7. Install the outer tie rod to the steering knuckle.
  8. Install the new outer tie rod retaining nut.

    Tighten:  Tighten the outer tie rod retaining nut to 60 N.m (44 lb ft).

  9. Install the wheel hub and bearing. Refer to Wheel Hub, Bearing, and Seal Replacement (RWD)  or Wheel Hub, Bearing, and Seal Replacement (4WD) .
  10. Install the tire and wheel. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  11. Lower the vehicle.
  12. Install the drive axle nut.

    Tighten:  Tighten the drive axle nut to 140 N.m (103 lb ft).

    Fig 5: Removing/Installing Wheel Drive Shaft Nut
    GM731551Courtesy of GENERAL MOTORS CORP.
  13. Adjust the front toe. Refer to Front Toe Adjustment in Wheel Alignment.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.