GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2008 🢒 Silverado - 4WD 🢒 Roof 🢒 Sunroof 🢒 Sunroof Module Assembly Replacement

Removal Procedure

    Important: Transfer all necessary parts to the new sunroof module assembly.

  1. Remove the sunroof window. Refer to Sunroof Window Replacement .
  2. Remove the sunshade. Refer to Sunroof Sunshade Replacement .
  3. Remove the sunroof finish lace. Refer to Sunroof Opening Trim Finish Lace Replacement .
  4. Remove the air deflector. Refer to Sunroof Air Deflector Replacement .
  5. 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 .

    6. Object Number: 893482 Size: SH
  6. Disconnect the front sunroof drain hoses from the drain spigot.

    7. Object Number: 893483 Size: SH
  7. Disconnect the rear sunroof drain hoses from the drain spigot.

    8. Object Number: 1824972 Size: SH
  8. Remove the front to bolts located at the motor base first.
  9. With the aid of an assistant, remove the remaining bolts (1) that secure the module (2) to the roof ring.

    10. Lower and remove the sunroof module assembly out through the passenger side door.

  10. If you are replacing the sunroof module assembly, remove the sunroof motor/actuator. Refer to Sunroof Motor/Actuator Replacement .

Installation Procedure
  1. If you are replacing the sunroof module assembly, install the sunroof motor/actuator. Refer to Sunroof Motor/Actuator Replacement .

    2. Object Number: 1824972 Size: SH
  2. With the aid of an assistant, position the sunroof module assembly to the roof ring.

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

  3. Install the 4 bolts (1) that secure the module (2) to the roof ring.

    4. Tighten
    Tighten the bolts to 10 N·m (89 lb in).

  4. Install the remaining bolts at the motor base.

    5. Tighten
    Tighten the bolts to 10 N·m (89 lb in).


    Object Number: 893482 Size: SH
  5. Connect the front and rear drain hoses to the drain spigots.
  6. Install the sunshade. Refer to Sunroof Sunshade Replacement .
  7. Install the headliner. Refer to Headlining Trim Panel Replacement .

    8. Verify that the electrical connector is connected to the sunroof motor/actuator.

  8. Install the sunroof window. Adjust as necessary. Refer to Sunroof Window Height and Opening Fit Adjustment .
  9. Initialize the sunroof motor/actuator. Refer to Sunroof Motor/Actuator Initialization/Teach Process .
  10. Install the air deflector. Refer to Sunroof Air Deflector Replacement .
  11. Install the sunroof finish lace. Refer to Sunroof Opening Trim Finish Lace Replacement .
  12. Inspect the sunroof for proper operation.