Removal Procedure

Fig 1: Rear Sunroof Drain Hose (SUV)

Courtesy of GENERAL MOTORS CORP.

It is only necessary to lower the headliner. Only do those steps in headliner replacement that will lower the headliner enough to gain access to the part. Refer to Headlining Trim Panel Replacement (SUT) or Headlining Trim Panel Replacement (SUV) .
Disconnect the drain hose from the sunroof module.
Remove the drain hose from the floor pan.
Remove the sunroof drain hose from the vehicle.