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HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1726 (POWER SUN ROOF)REPAIR INSTRUCTIONSPOWER SUNROOF MODULE 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. Position the sunroof module to the vehicle roof, with an assistant.
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  2. Install the sunroof module to roof bolts.

    Tighten 

    Tighten the sunroof module to roof bolts to 10 N.m (89 lb in).

  3. Connect the front drain hoses to the sunroof module.
  4. Connect the rear drain hoses to the sunroof module.
  5. Connect the electrical connector to the following components:
    • The actuator
    • The express module
  6. Inspect for proper operation of the sunroof.
  7. Install the headliner. Refer to HEADLINER REPLACEMENT in Interior Trim.
    Fig 1: Rear & Front Drain Hoses & Sunroof Module To Roof Bolts
    G01617232Courtesy 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.