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

Removal Procedure
  1. Remove the tail lamp filler panel from the vehicle. Refer to Back Body Opening Side Applique and Tail Lamp Replacement .
  2. Remove the tail lamp assembly from the vehicle. Refer to Tail Lamp Replacement in Lighting Systems.

    3. Object Number: 313450 Size: SH
  3. Pull the air relief vent away from the body in order to release the retainers.
  4. Remove the air relief vent from the vehicle.

Installation Procedure

    Object Number: 313450 Size: SH
  1. Install the air relief vent to the vehicle.
  2. Align the retainers on the air relief vent with the body.

    3. Press the vent into place.

  3. Install the tail lamp assembly to the vehicle. Refer to Tail Lamp Replacement in Lighting Systems.
  4. Install the tail lamp filler panel to the vehicle. Refer to Back Body Opening Side Applique and Tail Lamp Replacement .