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Home >> Cadillac >> 2021 >> CT4 Sport, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 378 (Sunroof) >> Repair Instructions >> Sunroof Housing Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2022 Cadillac CT5. However, it is still accessible from the selected car via links, so may be relevant.
  1. GM5331886Courtesy of GENERAL MOTORS COMPANY

    Sunroof Window (2) - Remove - Sunroof Window Replacement 

  2. GM5331931Courtesy of GENERAL MOTORS COMPANY

    Roof Stationary Window (2) - Remove - Roof Stationary Window Replacement 

  3. Place the driver and passenger seat in the fully reclined position.
  4. It is only necessary to lower the headlining. Only do those steps in the headlining procedure that will allow access to the component being removed. Headlining Trim Panel Replacement (With C3U)
  5. GM5339531Courtesy of GENERAL MOTORS COMPANY

    Disconnect the sunroof housing front drain hoses (1) from the front sunroof housing drain gutters.

  6. GM5339532Courtesy of GENERAL MOTORS COMPANY

    Disconnect the sunroof housing rear drain hoses (1) from the rear sunroof housing drain gutters.

  7. Disconnect the electrical connectors.
  8. GM5326520Courtesy of GENERAL MOTORS COMPANY

    Remove the 22 sunroof module bolts (1), leaving the side 2 centermost sunroof module bolts (2) installed.

  9. GM5326522Courtesy of GENERAL MOTORS COMPANY

    With the aid of an assistant, remove the 2 remaining sunroof module bolts (1) and gently lower the sunroof housing (2).

  10. GM5326524Courtesy of GENERAL MOTORS COMPANY

    With the aid of an assistant, carefully remove the sunroof housing (1) and place on a clean prepared surface.

  11. Transfer components as necessary.