GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. It is only necessary to lower the headliner. Only do those step in headliner replacement that will lower the headliner enough to gain access to the part. Refer to Headlining Trim Panel Replacement .

  2. Object Number: 977375  Size: SH
  3. Cycle the window 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 sunroof alignment pins.
  7. With the aid of an assistant, remove the bolts that secure the sunroof module to the roof.
  8. With the aid of an assistant, lower and remove the sunroof module.

Installation Procedure


    Object Number: 977375  Size: SH
  1. With the aid of an assistant, position the new sunroof module into the roof opening.
  2. Install the bolts which secure the sunroof module 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. With the aid of an assistant, raise and install the sunroof module.
  5. Notice: Refer to Fastener Notice in the Preface section.

  6. With the aid of an assistant, install the bolts that secure the sunroof module to the roof.
  7. Tighten
    Tighten the bolts to 8 N·m (70 lb in).

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