Sunroof Track Timing/Synchronization for Chevrolet TrailBlazer - 4WD 2003

1. Place the module in the full open position.
2. Remove the headliner. Refer to Headlining Trim Panel Replacement in Interior Trim.
3. Disconnect the electrical connector from the motor/actuator.
4. Remove the motor. Refer to Sunroof Motor/Actuator Replacement .
5. Push the window guides rearward on the track until the guides are positioned against the rear hard stop.

1. Install the motor. Refer to Sunroof Motor/Actuator Replacement .
2. Connect the electrical connector to the motor/actuator.
3. Install the headliner. Refer to Headlining Trim Panel Replacement in Interior Trim.
4. Perform the Initialization/Teach Procedure. Refer to Sunroof Motor/Actuator Initialization/Teach Process .
5. Verify the operation of the sunroof.