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Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> Body & Frame >> Sun Roof/T-Top/Convertible Top >> Sunroof System >> Repair Instructions >> Sunroof Housing Replacement >> Removal Procedure

Removal Procedure

  1. Remove the sunroof windows front and rear. Refer to Sunroof Window Replacement - Front , and Sunroof Window Replacement - Rear .
  2. It is only necessary to lower the headliner. Only perform the steps in the headliner replacement procedure that will lower the headliner enough to gain access to the part. Refer to Headlining Trim Panel Replacement (With Sunroof) .
    3. Fig 1: Identifying Front Water Drain Hose Actuation Unit
    GM1937631Courtesy of GENERAL MOTORS COMPANY
  3. Remove the both front water drain hoses from the sunroof frame spigot.
    4. Fig 2: View Of Rear Water Drain Hose
    GM1937632Courtesy of GENERAL MOTORS COMPANY
  4. Remove the both rear water drain hoses from the sunroof frame spigot.
  5. Disconnect the sunroof window and sunshade motor electrical connectors.
    6. Fig 3: Sunroof Housing And Fasteners
    GM2780619Courtesy of GENERAL MOTORS COMPANY
  6. Remove the sunroof housing fasteners (1).
  7. Remove the sunroof housing (2) assembly from the vehicle.
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