Removal Procedure

WARNING: This page is about a different car, the 2011 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.

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) or Headlining Trim Panel Replacement (Without Sunroof) .

Fig 1: Front Water Drain Hose

Courtesy of GENERAL MOTORS CORP.

Remove the front water drain hose from the housing connector.
Remove the 2 hoses.

Fig 2: Rear Water Drain Hose

Courtesy of GENERAL MOTORS CORP.

Remove the rear water drain hose from the housing connector.
Remove the 2 hoses.
Disconnect the front wiring harness actuation unit.
Disconnect the 2 wiring harness plugs.

Fig 3: Sunroof Housing Fasteners

Courtesy of GENERAL MOTORS CORP.

Remove the sunroof housing fasteners.
Remove the sunroof housing assembly.