For 1990-2009 cars

### Removal Procedure

1. Remove the rear bumper fascia. Refer to Rear Bumper Fascia Replacement in Bumpers.
2. Remove the quarter outer panel pressure relief valve (1) from the vehicle by releasing the retaining tabs.

### Installation Procedure

1. Install the quarter outer panel pressure relief valve (1). Ensure that the retaining tabs are fully engaged.
2. Install the rear bumper fascia. Refer to Rear Bumper Fascia Replacement in Bumpers.