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 MANUALSCHEVROLET2006CHEVY EXPRESS G2500, VAN CARGO, 6.6 2REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1212 (SUNROOF SYSTEM)REPAIR INSTRUCTIONSSUNROOF TRACK TIMING/SYNCHRONIZATION (CREW CAB)REMOVAL PROCEDURE

2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2

Removal Procedure

2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2SECTION 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.

Place the module in the closed/flush position.
Remove the sunroof window. Sunroof Window Replacement (Extended Cab) or Sunroof Window Replacement (Crew Cab) .
It is only necessary to lower the headliner. Only do those step in headliner replacement that will lower the headliner enough to gain access to the part. Refer to Headlining Trim Panel Replacement (Regular Cab) or Headlining Trim Panel Replacement (Crew Cab) or Headlining Trim Panel Replacement (Extended Cab) .
Disconnect the electrical connector from the motor/actuator.
Remove the motor/actuator. Refer to Sunroof Motor/Actuator Replacement (Extended Cab) or Sunroof Motor/Actuator Replacement (Crew Cab) .

Fig 1: View Of Cam Assembly, Timing Hole & Lifter Arm

Courtesy of GENERAL MOTORS CORP.

Push the cam assembly (2) forward until the timing hole (3) in the cam is aligned with the timing hole (4) in the lifter arm (1).

Fig 2: View Of Pin & Drive Motor

Courtesy 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.