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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 55 (Sunroof System) >> Repair Instructions >> Sunroof Motor/Actuator Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2005 Buick LaCrosse and 2005 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
    IMPORTANT: This sunroof system is timed from the factory in order to allow the actuator to shut off automatically when the sunroof window reaches a certain position. Use extreme care when removing the sunroof actuator from the sunroof module. Improper removal may cause the timing to be thrown off. Anytime the sunroof actuator requires removal from the sunroof module, ensure that the sunroof window is in the fully closed position and the J 41718  are installed.
  1. Position the sunroof window panel to the fully closed position.
  2. Remove the headliner. Refer to HEADLINER REPLACEMENT in Interior Trim.
    3. Fig 1: Locating Sunroof Window Panel Screw Holes
    GM548328Courtesy of GENERAL MOTORS CORP.
  3. Remove the right and left front screw from the sunroof window panel.
    4. IMPORTANT: Before removing the sunroof actuator, ensure that J 41718  are tight and holding the cable.
  4. Install into the front sunroof window panel screw hole to retain the cable adjustment.
  5. Disconnect the electrical connector from the sunroof module actuator.
    6. Fig 2: Sunroof Actuator Bolts
    GM1538900Courtesy of GENERAL MOTORS CORP.
  6. Remove the bolts (1) from the sunroof actuator.
  7. Remove the sunroof actuator from the sunroof module.
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