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HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1548 (POWER SUN ROOF)REPAIR INSTRUCTIONSPOWER SUNROOF MODULE REPLACEMENTREMOVAL PROCEDURE
2003 Chevrolet TrailBlazer 4.2 S, 4WD

Removal Procedure

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Removal Procedure
WARNING: This page is about a different car, the 2002 Oldsmobile Bravada, 2002 GMC Envoy XL, 2002 GMC Envoy, and 2002 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
  1. Lower the headliner. Refer to Headliner Replacement (Trailblazer EXT, Envoy XL) or Headliner Replacement (Trailblazer, Envoy, Bravada) in Interior Trim.
    2. Fig 1: Disconnecting/Connecting Inline Connector At Sunroof Electrical Harness
    GM757743Courtesy of GENERAL MOTORS CORP.
  2. Disconnect the inline connector from the sunroof electrical harness.
  3. With the aid of an assistant, remove the sunroof assembly from the vehicle and place on a clean, prepared surface. Refer to Sunroof Replacement .
  4. Remove the sunroof drive motor. Refer to Power Sunroof Motor Replacement .
  5. Remove the screw that retains the module to the mounting bracket.
  6. Disconnect the 2 electrical connectors from the module.
  7. Remove the module from the mounting bracket.
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.