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

Removal Procedure
  1. Remove the left rear compartment trim panel. Refer to Rear Compartment Trim Panel Replacement .
  2. Remove the rear bumper fascia extension. Refer to Rear Bumper Fascia Extension Replacement

    3. Object Number: 738145 Size: SH
  3. From inside the rear compartment , press the retaining tabs while pushing outward in order to release the pressure relief valve from the quarter panel.

Installation Procedure

    Object Number: 738145 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 the retaining tabs engage in order to secure the pressure relief valve to the rear quarter panel.
  3. Install the rear bumper fascia extension. Refer to Rear Bumper Fascia Extension Replacement
  4. Install the left rear compartment side trim. Refer to Rear Compartment Trim Panel Replacement .