GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Holden 🢒 2009 🢒 WM Sedan 🢒 Roof 🢒 Sunroof 🢒 Sunroof Module Assembly Replacement

Removal Procedure

    Important: A new sunroof module will not have the sunroof window or the sunshade as components of the new service part.

  1. The old sunroof window and sunshade will need to be installed to the new sunroof module.
  2. Remove the headliner. Refer to Headlining Trim Panel Replacement .

    3. Object Number: 1938788 Size: SH
  3. Disconnect the front drain hoses from the sunroof front drain spouts (1).

    4. Object Number: 1938912 Size: SH
  4. Disconnect the rear upper drain hoses (1) from the sunroof rear drain spouts (2).

    5. Object Number: 1938924 Size: SH
  5. Remove the sunroof module to roof ring retaining bolts (1).
  6. Remove the two centre, side to side, bolts last in order to help support the sunroof module to the roof ring.
  7. With the aid of an assistant, remove the last two sunroof module to roof ring retaining bolts.
  8. With the aid of an assistant, lower and remove the sunroof module out the front passenger side door.
  9. Remove the sunroof window. Refer to Sunroof Window Replacement .
  10. Remove the sunshade panel. Refer to Sunroof Sunshade Replacement .
  11. Remove the air deflector. Refer to Sunroof Air Deflector Replacement .

Installation Procedure
  1. Install the air deflector. Refer to Sunroof Air Deflector Replacement .
  2. Install the sunshade panel. Refer to Sunroof Sunshade Replacement .
  3. Install the sunroof window and loosely install the retaining screws. Refer to Sunroof Window Replacement .

    4. Object Number: 1938924 Size: SH
  4. With the aid of an assistant, position the new sunroof module into the alignment pins (2) located on the roof ring.
  5. Hand start the two centre, side to side, sunroof module to roof ring retaining bolts (1) in order to hold the sunroof module in place.
  6. Finger tighten the two centre retaining bolts.

    7. Notice: Refer to Fastener Notice in the Preface section.

  7. Install the remaining sunroof module to roof ring retaining bolts (1).

    8. Tighten
    Tighten the bolts to 2 N·m (18 lb in).


    Object Number: 1938788 Size: SH
  8. Connect the front drain hoses to the drain spouts (1).

    9. Object Number: 1938912 Size: SH
  9. Connect the rear drain hoses to the drain spouts (1).

    10. Object Number: 1938968 Size: SH
  10. Install sunroof motor/actuator to the module.
  11. Install the motor/actuator to sunroof module retaining screws (1).

    12. Tighten
    Tighten all of the bolts to 2 N·m (18 lb in).

  12. Connect the electrical connector to the sunroof motor/actuator.
  13. Secure the harness with suitable straps.
  14. Adjust the sunroof window. Refer to Sunroof Window Height and Opening Fit Adjustment .
  15. If re-programming is required. Refer to Control Module References .
  16. Verify the proper operation of the sunroof before securing the headliner.
  17. Initilization /Teach the sunroof motor. Refer to Sunroof Motor/Actuator Synchronization .
  18. Install the headliner, with an assistant. Refer to Headlining Trim Panel Replacement .