For 1990-2009 cars

### Removal Procedure

1. Remove the rear bumper fascia. Refer to Rear Bumper Fascia Replacement .
2. Pull back the rear compartment trim from the right rear corner in order to expose the pressure relief valve.
3. Disengage the pressure relief valve tabs from the inside of the rear compartment.

Remove the pressure relief valve (1) from the quarter panel.

### Installation Procedure

1. Position the pressure relief valve (1) to the quarter panel.

Press inward on the pressure relief valve to fully engage the retaining tabs.

2. Install the rear compartment trim to its orignal position.
3. Install the rear bumper fascia. Refer to Rear Bumper Fascia Replacement .