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HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 624 (WHEEL ALIGNMENT SPECIFICATIONS & ADJUSTMENT PROCEDURES)REPAIR INSTRUCTIONSFRONT CAMBER ADJUSTMENTTOOLS REQUIRED
2003 Chevrolet TrailBlazer 4.2 S, 4WD

Tools Required

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Tools Required
WARNING: This page is about a different car, the 2002 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.

J 39601  Camber Adjustment Tool

  1. Raise and support the vehicle.
  2. Remove the tire and wheel. Refer to TIRE AND WHEEL REMOVAL AND INSTALLATION in Tires and Wheels.

    Important:  Do not allow the bolts to turn. This will ruin the serrated shoulder.

    Fig 1: Identifying Camber Adjustment Tool J 39601
    G01581963Courtesy of GENERAL MOTORS CORP.
  3. Remove the nut and tap the upper and lower bolt from the strut and knuckle.
  4. Separate the strut from the knuckle.

    Important:  It is necessary to grind the lower bolt hole on the strut to achieve proper camber setting.

    If camber specification is not achieved by this procedure check for bent or worn parts.

  5. Using a round file or a die grinder file the inner metal plate to the outside plates diameter.
  6. File excess metal to make the slotted holes.
  7. Paint the exposed metal with rust preventive paint or primer.
  8. Replace the strut to the knuckle.
  9. Install both the upper and lower bolts.
  10. Do not tighten at this time (leave loose).
  11. Install the J 39601  to the bottom strut bolt.
    CAUTION: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.
  12. Using the J 39601  , set the camber. Refer to Wheel Alignment Specifications  .

    Tighten 

    Tighten the upper strut to knuckle nut to 225 N.m (166 ft lbs).

  13. Remove the J 39601  .

    Tighten 

    Tighten the lower strut to knuckle nut to 225 N.m (166 ft lbs).

  14. Replace the tire and wheel. Refer to TIRE AND WHEEL REMOVAL AND INSTALLATION in Tires and Wheels.
  15. Lower the vehicle.
  16. Perform a wheel alignment. Refer to Wheel Alignment Specifications  .
RENDER: 1.0x

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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.