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Home >> Buick >> 2006 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 249 (Sunroof System) >> Repair Instructions >> Sunroof Track Timing/Synchronization >> Removal Procedure
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Removal Procedure

WARNING: This page is about a different car, the 2007 Buick LaCrosse and 2007 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the headliner. Refer to Headlining Trim Panel Replacement .
  2. Disconnect the electrical connector from the motor/actuator.
  3. Remove the motor/actuator. Refer to Sunroof Motor/Actuator Replacement .
  4. Remove the screw that attaches the control module.
    5. Fig 1: Installing Pin (PES)
    GM1542794Courtesy of GENERAL MOTORS CORP.
  5. Install a pin temporarily in the holes to hold the position while installing the drive motor.
  6. Remove the sunroof window. Refer to Sunroof Window Replacement .
  7. Manually slide the mechanism forward in the track until the mechanism reaches the hard stop.
    8. Fig 2: View Of Cam Assembly, Timing Hole & Lifter Arm
    GM1549379Courtesy of GENERAL MOTORS CORP.
  8. 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).
    9. IMPORTANT: Both mechanisms should now be in the closed position.
  9. Repeat this procedure for the opposite side.
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