GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2008 🢒 CTS 🢒 Body Hardware and Trim 🢒 Floor Coverings and Headlinings 🢒 Sunroof Track Timing/Synchronization

Removal Procedure
  1. Place the module in the closed/flush position.
  2. Lower the headliner. Refer to Headlining Trim Panel Replacement .
  3. Disconnect the electrical connector from the motor/actuator.
  4. Remove the motor/actuator. Refer to Sunroof Motor/Actuator Replacement .

    5. Object Number: 1549379 Size: SH
  5. 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).

    6. Object Number: 1549380 Size: SH

    Important: Both mechanisms should now be in the closed position.

    Using a suitable tool, insert it into the hole of the mechanism arm, it will not go all the way through mechanism.

  6. Insert a pin (1) in the holes on both sides of the module to hold the position while installing the drive motor.

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.

  1. Install the sunroof window. Refer to Sunroof Window Replacement - Front .

    2. Tighten
    Tighten the screws to 4 N·m (35 lb in).

  2. Install the motor/actuator. Refer to Sunroof Motor/Actuator Replacement .

    3. Tighten
    Tighten the motor attachment screws to 3.5 N·m (31 lb in).

  3. Connect the electrical connector to the motor/actuator.

    4. Object Number: 1549380 Size: SH
  4. Remove the pin (1) from the holes that held the position while installing the drive motor.
  5. Install the headliner. Refer to Headlining Trim Panel Replacement .
  6. Perform the Initialization/Teach Procedure. Refer to Sunroof Motor/Actuator Initialization/Teach Process .
  7. Verify the operation of the sunroof.