For 1990-2009 cars

### Removal Procedure

1. Remove the rear bumper fascia. Refer to Rear Bumper Fascia Replacement .
2. Release the lower pressure relief valve (1).

Remove the pressure relief valve downward.

### Installation Procedure

1. Install the lower pressure relief valve.

Insert the pressure relief valve from below.

2. Install the rear bumper fascia. Refer to Rear Bumper Fascia Replacement .