Sunroof Replacement

Sunroof Replacement

Removal Procedure

Important: Do not remove the headliner.

1. Lower the headliner. Refer to Headliner Replacement (Trailblazer EXT, Envoy XL) Headliner Replacement (Trailblazer, Envoy, Bravada) in Interior Trim.




2. Disconnect the sunroof harness electrical connector.

Important: Do not remove the drain hoses.

3. Disconnect the drain hoses from the sunroof assembly. Refer to the following procedures:

* Sunroof Drain Hose Replacement - Front
* Sunroof Drain Hose Replacement - Rear




4. Support the sunroof with an assistant.
5. Remove the bolts that retain the sunroof assembly to the roof panel
6. Remove the sunroof assembly from the vehicle and place on a clean, prepared surface with an assistant.
7. Remove the drive motor from the sunroof assembly.
8. Remove the sunroof module from the sunroof assembly.
9. Remove the glass panel from the sunroof assembly.
10. Remove the sunshade from the sunroof assembly.

Installation Procedure

1. Install the sunshade to the sunroof assembly.
2. Install the glass panel to the sunroof assembly.
3. Install the sunroof module to the sunroof assembly.
4. Install the drive motor to the sunroof assembly.




5. Position the sunroof assembly to the vehicle with an assistant.

Notice: Refer to Fastener Notice in Service Precautions.

6. Install the bolts that retain the sunroof assembly to the roof panel.

Tighten the bolts to 10 N.m (7 lb ft).

7. Connect the drain hoses to the sunroof assembly.




8. Connect the sunroof harness electrical connector.
9. Install the headliner.