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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1131 (Sunroof System) >> Repair Instructions >> Sunroof Housing Rear Drain Hose Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2008 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Identifying Drain Hose At Drain Spout On Rear Of The Sunroof Module
    GM758133Courtesy of GENERAL MOTORS CORP.
  1. It is only necessary to lower the headliner. Only do those steps in the headliner replacement procedure that will lower the headliner enough to gain access to the part. Refer to Headlining Trim Panel Replacement .
  2. Disengage the drain hoses from the drain spouts on the rear of the sunroof module.
  3. Fig 2: Identifying Rear Upper Drain Hose
    GM758136Courtesy of GENERAL MOTORS CORP.
  4. Disengage the rear upper drain hose (1) from the conduit.
  5. Fig 3: Identifying Rear Drain Hose
    GM758131Courtesy of GENERAL MOTORS CORP.
  6. Remove the rear compartment trim panel. Refer to Rear Compartment Side Trim Panel Replacement .
  7. Remove the rear lower drain hose from the retaining clips (1).
  8. Remove the rear drain hose (3) from the inner wheelhouse drain spout (2).
  9. Remove the drain hose from the vehicle.