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HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1648 (LIGHTING SYSTEMS)REPAIR INSTRUCTIONSHEADLAMP CAPSULE 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 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the headlamp bulb/socket to the capsule.
  2. Install the headlamp bulb/socket retaining ring to the capsule, rotating clockwise until fully seated.
  3. Align and install the headlamp capsule to the headlamp mounting bracket.
    NOTE: Refer to FASTENER NOTICE .
  4. Install the headlamp capsule to headlamp mounting bracket bolts.

    Tighten 

    Tighten the headlamp capsule to headlamp mounting bracket bolts to 4 N.m (35 lb in).

  5. Install the headlamp assembly to the vehicle, Refer to Headlamp Assembly or Headlamp Bulb Replacement .
  6. Check and adjust the headlamp aim as necessary. Refer to Headlamp Aiming .
    Fig 1: Headlamp Capsule
    G01616147Courtesy of GENERAL MOTORS CORP.
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.