GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the rear compartment side trim. Refer to Rear Compartment Side Trim Replacement - Right Side .

  2. Object Number: 284209  Size: MH
  3. Press the tabs in order to release the pressure relief valve (2) from the quarter panel (1).

Installation Procedure


    Object Number: 284209  Size: MH
  1. Install the pressure relief valve (2) to the quarter panel (1) by pressing the valve inward in order to engage the tabs.
  2. Install the rear compartment side trim. Refer to Rear Compartment Side Trim Replacement - Right Side .