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 1918 (SUNROOF SYSTEM)REPAIR INSTRUCTIONSSUNROOF PANEL SIDE OPENING CLOSEOUT COVER 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 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Installing & Installing Sunroof Panel Side Opening Cover

Courtesy of GENERAL MOTORS CORP.

Place in position, the new sunroof side opening closeout panel cover (6) to the sunroof module track assembly (3).
Hold the lower part (5) of the side opening closeout panel cover firmly and press the locking tab (4) into the track assembly.
Ensure the entire length of the side opening closeout panel cover (6) is secure to the sunroof assembly track.
Close the sunroof window (1).
Open the sunroof window to the vent position.
Secure the sunroof side opening closeout panel cover (6) to the 3 clips (2) located on the inside edge of the sunroof window.
Close the sunroof window.
Cycle the sunroof window to the vent position and full open positions in order to ensure the sunroof side opening closeout panel covers are secure to the attachment clips.
Close the sunroof window.
Close the sunshade.

RENDER: 1.0x

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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.