GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2002 🢒 Regal 🢒 Body and Accessories 🢒 Roof 🢒 Sunroof Housing Front Drain Hose Replacement

Removal Procedure
  1. Remove the parking brake pedal, if replacing the left front hose. Refer to Parking Brake Lever Pedal Assembly Replacement in Park Brakes.
  2. Remove the acoustical patch from along the base of the front hinge pillar.
  3. Remove the headliner. Refer to Headlining Trim Panel Replacement in Interior Trim.

    4. Object Number: 166672 Size: SH
  4. Remove the front sunroof drain hose from the spigot at the sunroof module.
  5. Remove the front sunroof drain hose from the drain tube between the front door hinges.
  6. Remove the front sunroof drain hose from the vehicle.

Installation Procedure

    Object Number: 166672 Size: SH
  1. Position the front sunroof drain hose in the vehicle.
  2. Starting at the sunroof module, route the drain hose down the front pillar.
  3. Press the front sunroof drain hose onto the sunroof module drain spigot and the drain tube in the front pillar.
  4. Install the headliner. Refer to Headlining Trim Panel Replacement in Interior Trim.
  5. Install the acoustical patch.
  6. Install the parking brake pedal, if replacing the left front hose. Refer to Parking Brake Lever Pedal Assembly Replacement in Park Brakes.