GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 862959  Size: SH
  1. Remove the headliner to gain access to the front drain hose attachment at the sunroof tray. Refer to Headlining Trim Panel Replacement in Interior Trim.
  2. Notice: Be careful not to put a bend in the headliner. This may cause a wrinkle that cannot be repaired.

  3. Disconnect the sunroof front drain hose from the sunroof tray and attach 2.5 m (8 ft) length of electrical wire to serve as a feeder for pulling the new hose through.

  4. Object Number: 867273  Size: SH
  5. Remove the front lower garnish/sill mouldings.

  6. Object Number: 868279  Size: SH
  7. Partially remove the insulators in the hinge pillar to expose the lower sunroof drain hose attachment.
  8. Disconnect the drain hose from the bottom of the lower hinge pillar.

  9. Object Number: 862959  Size: SH
  10. With the feeder wire attached at the top of the drain hose, pull the hose out from the bottom, leaving the feeder wire inside the hinge pillar.
  11. Disconnect the feeder wire from the hose.

Installation Procedure


    Object Number: 867309  Size: SH
  1. Attach the drain hose to the feeder wire at the module wire.
  2. Pull the hose down at the hinge pillar from inside the passenger compartments with the feeder wire. Remove the wire after the hose has been routed.
  3. Connect the drain hose to the lower grommet.

  4. Object Number: 862959  Size: SH
  5. Connect the drain hose at the sunroof module using a clamp.
  6. Important: Inspect the drain hose for kinks. If necessary, cut the hose to the required length to ensure that the hose is not kinked.

  7. Pour water down the hose from the sunroof tray and inspect for leaks. Repair if a leak is detected.
  8. Install the headliner. Refer to Headlining Trim Panel Replacement in Interior Trim.

  9. Object Number: 868279  Size: SH
  10. Install the lower insulator.

  11. Object Number: 867273  Size: SH
  12. Install the lower garnish/sill mouldings.