GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 861204  Size: SH
  1. Remove the sunshade panel. Refer to Sunroof Sunshade Replacement .
  2. Remove the sunroof window. Refer to Sunroof Window Replacement .
  3. Important: It is only necessary to lower the headliner. Only do the steps in headliner replacement that will lower the headliner enough to gain access.

  4. Lower the headliner. Refer to Headlining Trim Panel Replacement .
  5. Disconnect the electrical connector on the sunroof actuator.
  6. Disconnect the electrical connector from the sunroof module.

  7. Object Number: 1547329  Size: SH
  8. Disconnect the front and rear drain hoses (1) from the drain spouts on the sunroof module.
  9. Important: Remove the 2 center nuts last in order to help support the sunroof module to the roof ring.

  10. Remove the sunroof module nuts (2) from the roof.
  11. Remove the center nuts from the sunroof module.
  12. With the aid of an assistant, lower and remove the sunroof module assembly out through the liftgate opening.
  13. Transfer all components to the new module as needed.

Installation Procedure

  1. With the aid of an assistant, install the sunroof module assembly through the liftgate opening.

  2. Object Number: 1547329  Size: SH
  3. With the aid of an assistant, position the new sunroof module assembly to the studs located on the roof ring.
  4. Install the center sunroof module to the roof. Hand tighten the nuts (2).
  5. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1610173  Size: SH
  6. Install the remaining sunroof module (1) nuts to the module in sequence (3-8).
  7. Tighten
    Tighten all of the nuts to 10 N·m (89 lb in).


    Object Number: 1547329  Size: SH
  8. Connect the front and rear drain hoses (1) to the drain spouts on the sunroof module.
  9. Install the sunroof window to the new sunroof module. Refer to Sunroof Window Replacement .
  10. Install the sunshade panel to the new sunroof module. Refer to Sunroof Sunshade Replacement .

  11. Object Number: 861204  Size: SH
  12. Connect the electrical connector to the sunroof motor/actuator.
  13. Secure the harness to the sunroof module.
  14. Perform the initialization/teach process. Refer to Sunroof Motor/Actuator Initialization/Teach Process .
  15. Verify the proper operation of the sunroof before securing the headliner. Refer to Headlining Trim Panel Replacement .