GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2003 🢒 Avalanche - 2WD 🢒 Body and Accessories 🢒 Body Rear End 🢒 Pressure Relief Valve Replacement

Pressure Relief Valve Replacement Utility

Removal Procedure
  1. Lower the end gate.
  2. Remove the rear compartment cover assembly.
  3. Remove the cargo box bridge center panel. Refer to Cargo Box Bridge Cross Bar Replacement.
  4. Remove the cargo box bridge side inner panel. Refer to Cargo Box Bridge Side Inner Panel Replacement.
  5. Remove the cargo box bridge side outer panel. Refer to Cargo Box Bridge Side Outer Panel Replacement.

    6. Object Number: 800702 Size: SH
  6. Using a flat-bladed tool, carefully pry the valve loose.

Installation Procedure

    Object Number: 800702 Size: SH
  1. Install the pressure relief valve ensuring a snap fit.
  2. Install the cargo box bridge side outer panel. Refer to Cargo Box Bridge Side Outer Panel Replacement.
  3. Install the cargo box bridge side inner panel. Refer to Cargo Box Bridge Side Inner Panel Replacement.
  4. Install the cargo box bridge center bar. Refer to Cargo Box Bridge Cross Bar Replacement.
  5. Replace the rear compartment assembly.
  6. Close the end gate.