GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the headliner. Refer to Headlining Trim Panel Replacement .

  2. Object Number: 977375  Size: SH
  3. Cycle the glass panel to the rear.
  4. Disconnect the electrical connector from the sunroof module.
  5. Remove the front and rear sunroof drain hoses. Refer to Sunroof Housing Front Drain Hose Replacement and Sunroof Housing Rear Drain Hose Replacement .
  6. Remove the bolts that secure the sunroof module to the roof.
  7. With an assistant, lower and remove the sunroof module assembly.

Installation Procedure


    Object Number: 977375  Size: SH
  1. With an assistant, position the new sunroof module assembly into the roof opening.
  2. Install the bolts which secure the sunroof module assembly to the roof and tighten the bolts by hand.
  3. Place a 12 mm (0.47 in) pin into the sunroof module alignment holes.
  4. Notice: Refer to Fastener Notice in the Preface section.

  5. Remove the alignment pins.
  6. Tighten
    Tighten the bolts to 9 N·m (80 lb in).

  7. Install the front and rear sunroof drain hoses. Refer to Sunroof Housing Front Drain Hose Replacement and Sunroof Housing Rear Drain Hose Replacement .
  8. Connect the electrical connectors to the sunroof module.
  9. Secure the harness to the sunroof module.
  10. Adjust the sunroof window. Refer to Sunroof Window Height and Opening Fit Adjustment .
  11. Verify the proper operation of the sunroof before securing the headliner.
  12. With an assistant, install the headliner. Refer to Headlining Trim Panel Replacement .