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HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 589 (FRONT SUSPENSION SYSTEM)REPAIR INSTRUCTIONSLOWER BALL JOINT REPLACEMENTINSTALLATION PROCEDURE
2003 Chevrolet TrailBlazer 4.2 S, 4WD

Installation Procedure

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Installation Procedure
WARNING: This page is about a different car, the 2002 Buick Regal and 2002 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the ball stud to the lower control arm.
  2. Install the NEW ball stud bolts facing down, away from the ball stud.
    NOTE: This is a prevailing torque type fastener. This fastener may be reused ONLY if:
    • The fastener and its counterpart are clean and free from rust.
    • The fastener develops 2 N.m (18 lb in) of torque (drag) against its counterpart prior to the fastener seating.

    If the fastener does not meet these criteria, REPLACE the fastener.

  3. Install the NEW ball stud nuts.

    Tighten: 

    Tighten the NEW ball stud nuts to 68 N.m (50 lb ft) 

    Fig 1: Ball Stud Nuts
    G01720526Courtesy of GENERAL MOTORS CORP.
  4. Install the lower control arm. Refer to Lower Control Arm Replacement .
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.