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 MANUALSCHEVROLET2008CHEVY EXPRESS G2500, VAN CARGO, 6.6 6REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1114 (SUNROOF SYSTEM)REPAIR INSTRUCTIONSSUNROOF WATER GUTTER REPLACEMENT (EXTENDED CAB)REMOVAL PROCEDURE

2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6

Removal Procedure

2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6SECTION Removal Procedure

WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: Tape off the perimeter of the sunroof window opening before removing the sunroof module to prevent scratching.

Remove the air deflector. Refer to Sunroof Air Deflector Replacement (Extended Cab) or Sunroof Air Deflector Replacement (Crew Cab) .
Set the sunroof window to be in the open position of a minimum of 25 mm (1 in).

IMPORTANT: It is only necessary to lower the headlinder. Only do those steps in headlinder replacement that will lower the headlinder enough to grain access.

Remove the sunroof module assembly. Refer Sunroof Module Assembly Replacement .

Fig 1: Screws And Water Gutter

Courtesy of GENERAL MOTORS CORP.

Remove the screws (1) from the water gutter (2).

Fig 2: Water Gutter & Retainers

Courtesy of GENERAL MOTORS CORP.

Slide the water gutter rearward to release the retaining tabs (1) from the slots (2) in the track.
Remove the water gutter (3) from the track.

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.