GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 1998 🢒 Catera 🢒 Body and Accessories 🢒 Body Rear End 🢒 Pressure Relief Valve Replacement

Removal Procedure
  1. Remove the rear fascia. Refer to Rear Bumper Fascia Replacement in Bumpers.
  2. Open the rear compartment lid.
  3. Open the rear compartment passenger side panel.

    4. Object Number: 153321 Size: SH
  4. Remove the rear quarter relief valve:
    5. • Push in the clips.
    • Remove the valve through the exterior of the vehicle.

Installation Procedure

    Object Number: 153321 Size: SH
  1. Install the rear quarter relief valve:
    2. • Install the valve with the rubber flaps facing downward in order to prevent water intrusion.
    • Inspect that the tabs are fully seated.
  2. Close the rear compartment passenger side panel.
  3. Close the rear compartment lid.
  4. Install the rear fascia. Refer to Rear Bumper Fascia Replacement in Bumpers.