TrailBlazer 2WD L6-4.2L VIN S (2003)
Sunroof / Moonroof Module: Service and Repair
SUNROOF CONTROL MODULE REPLACEMENT
REMOVAL PROCEDURE
1. Lower the headliner. Refer to Headliner Replacement (TrailBlazer, Envoy, Bravada)Headliner Replacement (TrailBlazer EXT, Envoy XL) in
Interior Trim.
2. Disconnect the inline connector from the sunroof electrical harness.
3. With an assistant, remove the sunroof module assembly from the vehicle and place on a clean, prepared surface.
4. Remove the sunroof motor/actuator.
5. Remove the screw that retains the sunroof control module to the mounting bracket.
6. Disconnect the 2 electrical connectors from the sunroof control module.
7. Remove the sunroof control module from the mounting bracket.
INSTALLATION PROCEDURE
1. Position the sunroof control module to the mounting bracket.
IMPORTANT: Ensure that the drive gear is fully indexed and seated to the drive cables.
2. Install the screw that retains the sunroof control module to the mounting bracket.
NOTE: Refer to Fastener Notice in Service Precautions.
Tighten
Tighten the sunroof control module screw to 3 N.m (27 lb in).
3. Connect the 2 electrical connectors to the sunroof control module.
4. Install the sunroof motor/actuator to the sunroof module assembly.
5. With an assistant, install the sunroof module assembly to the vehicle.
6. Connect the inline connector on the sunroof electrical harness.
7. Install the headliner.
