2006 Cadillac STS AWD V6-3.6L VIN 7FACTORY OEM SERVICE PROCEDURE

Sunroof Module Assembly Replacement



Sunroof Module Assembly Replacement

Removal Procedure


Important: A new sunroof module assembly 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 assembly.
Factory service manual diagram



Remove the sunroof window. Refer to Sunroof Window Replacement () .
2. Remove the sunshade panel. Refer to Sunroof Sunshade Panel Replacement () .
3. Remove the air deflector. Refer to Sunroof Air Deflector Replacement () .
4. Remove the headliner. Refer to Headliner Replacement (Service and Repair) in Interior Trim.
5. Disconnect the electrical connector on the sunroof actuator.
6. Cut the tie straps securing the electrical harness to the sunroof cable rear drive tube.

Factory service manual diagram



7. Disconnect the drain hoses from the front sunroof module drain spouts (1).

Factory service manual diagram



8. Disconnect the drain hoses from the rear sunroof module drain spouts.

Factory service manual diagram



9. Remove the sunroof module to the roof bolts (1).
10. Remove the 2 center, side to side, bolts last in order to help support the sunroof module to the roof ring.
11. Remove the last 2 sunroof to roof ring bolts.
12. With an assistant, lower and remove the sunroof module assembly out the passenger side door.



Installation Procedure


Factory service manual diagram



1. With an assistant, position the new sunroof module assembly into the alignment pins (2) located on the roof ring.
2. Hand start the 2 center, side to side, sunroof module assembly to roof bolts (1) in order to hold the sunroof module into place.
3. Finger tighten the 2 center bolts.

Notice: Refer to Fastener Notice in Cautions and Notices.

4. Install the remaining sunroof module to roof bolts.

Tighten all of the bolts to 9 N.m (80 lb in).


Factory service manual diagram



5. Connect the front and rear drain hoses to the drain spouts (1) on the sunroof module.

Factory service manual diagram



6. Install sunroof motor/actuator to the module.
7. Install the screws to the motor/actuator.

Tighten all of the bolts to 6 N.m (53 lb in).

8. Connect the electrical connector to the sunroof motor/actuator.
9. Secure the harness with suitable straps.
10. Install the air deflector. Refer to Sunroof Air Deflector Replacement () .
11. Install the sunshade. Refer to Sunroof Sunshade Panel Replacement () .
12. Install the sunroof window and loosely install the screws. Refer to Sunroof Window Replacement () .
13. Adjust the sunroof window. Refer to Sunroof Window Height and Opening Fit Adjustment (Adjustments) .
14. Verify the proper operation of the sunroof before securing the headliner.
15. Initilization /Teach the sunroof motor. Refer to Sunroof Motor/Actuator Initilization/Teach Process (Early) ()Sunroof Motor/Actuator Initilization/Teach Process (Late) () .
16. Install the headliner, with an assistant. Refer to Headliner Replacement (Service and Repair) in Interior Trim.


Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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