GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Open the rear compartment
  2. It is only necessary to lower the headliner. Only do those step in headliner replacement that will lower the headliner enough to gain access to the part. Refer to Headlining Trim Panel Replacement.
  3. Remove the rear compartment trim panel. Refer to Rear Compartment Trim Panel Replacement.

  4. Object Number: 1222459  Size: SH
  5. Disconnect the rear sunroof drain hose from the sunroof drain spigot.
  6. Disengage the sunroof drain hose from the attachment clips on the roof rail, the C-pillar, and the rear compartment.

  7. Object Number: 1222472  Size: SH
  8. Disconnect the drain hose from the grommet seated in the rear lower quarter panel.
  9. Remove the drain hose into the passenger compartment by pulling the hose through the access hole in the rear package shelf.
  10. If necessary, pull the grommet into the rear compartment to remove.

Installation Procedure

  1. Feed the rear sunroof drain hose down the C-pillar through the outboard access hole in the rear package shelf and into the rear compartment.

  2. Object Number: 1222459  Size: SH
  3. Connect the rear sunroof drain hose to the sunroof drain spigot.
  4. Connect the drain hose to the attachment clips on the roof rail, the C-pillar, and the rear compartment.

  5. Object Number: 1222472  Size: SH
  6. Install the grommet into the opening in the rear lower quarter panel, if necessary. Ensure that the grommet is fully seated.
  7. Connect the end of the drain hose to the grommet.
  8. Install the rear compartment trim panel. Refer to Rear Compartment Trim Panel Replacement.
  9. Install the headliner. Refer to Headlining Trim Panel Replacement.
  10. Close the rear compartment.