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

Removal Procedure
  1. Remove the rear compartment trim panel. Refer to Rear Compartment Trim Panel Replacement .

    2. Object Number: 255869 Size: SH
  2. Press the tabs in order to release the pressure relief valve (1) from the quarter panel.

Installation Procedure

    Object Number: 255869 Size: SH
  1. Align the pressure relief valve to the rear quarter panel.
  2. Press the pressure relief valve (1) inward in order to engage the tabs to the quarter panel.
  3. Install the rear compartment trim panel. Refer to Rear Compartment Trim Panel Replacement .