GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2003 🢒 Avalanche - 4WD 🢒 Body and Accessories 🢒 Body Rear End 🢒 Back Body Opening Frame Drain Valve Replacement - Rear

Removal Procedure
  1. Lower the end gate.
  2. Remove the rear cargo compartment cover.
  3. Remove the cargo box. Refer to Cargo Box Stowage Box Replacement .

    4. Object Number: 803916 Size: SH
  4. Using a trim panel removal tool or a suitable flat bladed tool, carefully pry the drain valve up from the cargo floor.
  5. Remove the drain valve from the vehicle.

Installation Procedure

    Object Number: 803916 Size: SH
  1. Align the drain valve into the opening in the floor.
  2. Press down on the drain valve to fully seat the valve into the floor.
  3. Install the cargo box. Refer to Cargo Box Stowage Box Replacement .
  4. Install the compartment cover.
  5. Close the end gate.