GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2008 🢒 STS 🢒 Body Hardware and Trim 🢒 Interior Trim and Paneling 🢒 Pressure Relief Valve Replacement

Removal Procedure
  1. Remove the rear bumper fascia.

    2. Object Number: 1453262 Size: SH
  2. Lift the lower flap of the pressure relief valve to expose the lower edge clip release tabs.
  3. Disengage the clips by inserting a flat-bladed tool into the slots located at the front edge of the clips.
  4. Remove the pressure relief valve by pulling the bottom edge of the valve away from the vehicle.

Installation Procedure

    Object Number: 1453262 Size: SH
  1. Position the pressure relief valve to the opening in the rear quarter panel.
  2. Press inward on the pressure relief valve until fully seated.
  3. Install the rear bumper fascia.