GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 862959  Size: SH
  1. Remove the headliner. Refer to Headlining Trim Panel Replacement in Interior Trim.
  2. Disconnect the sunroof rear drain hose from the sunroof module.

  3. Object Number: 864543  Size: SH
  4. Remove the appropriate side rear quarter panel. Refer to "Quarter Outer Panel" removal procedure in Body Rear End.

  5. Object Number: 867361  Size: SH
  6. Remove the grommet from the spaceframe.
  7. Disconnect the rear drain hose from the grommet.
  8. Pull the hose out of the spaceframe through the access in the lock pillar area.

Installation Procedure


    Object Number: 867366  Size: SH
  1. Install the drain hose by feeding it downward from the upper drain hose opening of the spaceframe. The hose will appear in the lower drain hose opening in the lock pillar area.
  2. Pull the hose through the lower spaceframe opening, far enough to install the grommet.

  3. Object Number: 867361  Size: SH
  4. Install the hose to the grommet and the grommet into the lower spaceframe opening.

  5. Object Number: 862959  Size: SH
  6. Connect the upper end of the hose to the sunroof module.
  7. Important: Inspect the drain hose for kinks. If necessary, cut the hose to the required length to ensure that the hose is not kinked.

  8. Pour water down from the sunroof tray and inspect for leaks. Repair if a leak is detected.

  9. Object Number: 864543  Size: SH
  10. Install the rear quarter panel. Refer to "Quarter Outer Panel" installation procedure in Body Rear End.
  11. Install the headliner. Refer to Headlining Trim Panel Replacement in Interior Trim.