GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Oldsmobile 🢒 2003 🢒 Aurora 🢒 Body and Accessories 🢒 Roof 🢒 Sunroof Housing Rear Drain Hose Replacement

Removal Procedure

    Object Number: 428787 Size: SH
  1. Lower the headliner in order to access the rear drain hose connections. Refer to Headlining Trim Panel Replacement in Interior Trim.
  2. Cut the tie wraps from the rear drain hose drain spouts.
  3. Disconnect the drain hoses from the sunroof module assembly.
  4. Remove the upper portion of the rear drain hoses from the retaining clips.

    5. Object Number: 638018 Size: SH
  5. Remove the rear compartment trim (1,3). Refer to Rear Compartment Trim Panel Replacement in Body Rear End.

    6. Object Number: 258860 Size: SH
  6. Remove the lower portion of the rear drain hoses from the retaining clips.
  7. Remove the drain hose from the vehicle.

Installation Procedure
  1. Position the rear drain hose up through the rear shelf panel.

    2. Object Number: 258860 Size: SH
  2. Clip the lower portion of the rear drain hoses into position near the wheelhouse.

    3. Object Number: 638018 Size: SH
  3. Install the rear compartment trim (1,3). Refer to Rear Compartment Trim Panel Replacement in Body Rear End.

    4. Object Number: 428787 Size: SH
  4. Secure the upper portion of the rear drain hoses to the retainer clips.

    5. Important: When installing the new drain hose tie wraps, position the tie wraps in order to maintain clearance between the tie wraps and the headliner.

  5. Secure the drain hoses to the sunroof module assembly drain spouts with new tie wraps.
  6. Install the headliner to the roof. Refer to Headlining Trim Panel Replacement in Interior Trim.