GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 1999 🢒 Envoy - 4WD 🢒 Body and Accessories 🢒 Roof 🢒 Sunroof Drain Hose Replacement

Removal Procedure
  1. Remove the sunroof opening trim.
  2. Begin at the butt joint and pull the trim strip from the sunroof opening.
  3. Remove the headliner. Refer to Headlining Trim Panel Replacement in Interior Trim:
  4. Remove the windshield garnish molding. Refer to Windshield Pillar Garnish Molding Replacement in Interior Trim.

    5. Object Number: 306296 Size: SH
  5. Remove the sunroof drain hose from the vehicle.

    6. The left front sunroof drain hose is taped to the wiring harness. You must unwrap the tape in order to remove the hose.

Installation Procedure

    Object Number: 306296 Size: SH
  1. Install the sunroof drain hose to the vehicle.
  2. Use electrical tape in order to secure the left front drain hose to the wiring harness.
  3. Install the windshield garnish molding. Refer to Windshield Pillar Garnish Molding Replacement in Interior Trim.
  4. Install the headliner. Refer to Headlining Trim Panel Replacement in Interior Trim:
  5. Install the sunroof opening trim.

    6. Begin in the corner of the front of the sunroof opening and work around the perimeter of the opening.