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 MANUALSBUICK2006TERRAZA CXL, 3.5 L, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 294 (SUNROOF SYSTEM)REPAIR INSTRUCTIONSSUNROOF TRACK TIMING/SYNCHRONIZATIONINSTALLATION PROCEDURE

2006 Buick Terraza CXL, 3.5 L, AWD

Installation Procedure

2006 Buick Terraza CXL, 3.5 L, AWDSECTION Installation Procedure

WARNING: This page is about a different car, the 2007 Chevrolet Monte Carlo and 2007 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.

Install the sunroof window. Refer to Sunroof Window Replacement .
Tighten: Tighten the screws to 4 N.m (35 lb in).

NOTE: Refer to Fastener Notice .
Install the motor/actuator. Refer to Sunroof Motor/Actuator Replacement .
Tighten: Tighten the motor attachment screws to 3.5 N.m (31 lb in).
Connect the electrical connector to the motor/actuator.
Remove the pin (1) from the holes that held the position while installing the drive motor.

Fig 1: View Of Pin & Drive Motor
Courtesy of GENERAL MOTORS CORP.
Install the headliner. Refer to Headlining Trim Panel Replacement (Impala) or Headlining Trim Panel Replacement (Monte Carlo) .
Perform the Initialization/Teach Procedure. Refer to Sunroof Motor/Actuator Initialization/Teach Process .
Verify the operation of the sunroof.

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.