Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1726 (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 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
- Position the sunroof glass panel in the fully closed position.
- Remove the headliner. Refer to HEADLINER REPLACEMENT in Interior Trim.
- Disconnect the electrical connector from the following components:
- The actuator
- The express module
- Disconnect the rear drain hoses from the sunroof module.
- Disconnect the front drain hoses from the sunroof module.
- Have an assistant support the sunroof module before removing the bolts.
- Remove the sunroof module to roof bolts.
- Remove the sunroof module from the vehicle roof, with an assistant.
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.