GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the left or right sound insulator panel. Refer to Insulator Replacement - IP in Instrument Panel, Gauges and Console.
  2. Remove the windshield side upper garnish moldings. Refer to Garnish Molding Replacement - Windshield Pillar (Standard) in Interior Trim.
  3. Remove the sunshades. Refer to Sunshade Replacement in Interior Trim.
  4. Remove the sunroof control switch. Refer to Power Sunroof Switch Replacement.
  5. Remove the sunroof opening trim lace. Refer to Finishing Lace Replacement.
  6. Remove the headliner as required. Refer to Headliner Replacement in interior trim.

  7. Object Number: 280691  Size: SH
  8. Disconnect the drain hose connection from the sunroof module (1).
  9. Cut through the sealer that is located inside the bottom of the A-pillar in order to loosen the drain hose (3).
  10. Use a stiff rod bent at 90 degrees.

  11. Remove the sunroof drain hose.

Installation Procedure


    Object Number: 621684  Size: SH
  1. Route the sunroof front drain hose (1) through the A-pillar and into the drain hole. The drain hose is located near the door hinges.

  2. Object Number: 280691  Size: SH
  3. Connect the sunroof front drain hose connection to the sunroof module (1).
  4. Apply sealer to the inside bottom of the A-pillar and around the sunroof front drain hose (3).
  5. Install the sunroof opening trim lace. Refer to Finishing Lace Replacement.
  6. Install the sunroof control switch. Refer to Power Sunroof Switch Replacement.
  7. Install the sunshade. Refer to Sunshade Replacement in Interior Trim.
  8. Install the windshield side upper garnish moldings. Refer to Garnish Molding Replacement - Windshield Pillar (Standard) in Interior Trim.
  9. Install the left or right sound insulator panel. Refer to Insulator Replacement - IP in Instrument Panel, Gauges and Console.
  10. Install the headliner. Refer to Headliner Replacement in interior trim.