For 1990-2009 cars

### Removal Procedure

1. While holding down the crankcase ventilation valve access cover (1), remove the 2 access cover retaining bolts.
2. Remove the crankcase ventilation valve access cover (1).
3. Remove the crankcase ventilation valve (2), spring, and O-ring (3).

### Installation Procedure

1. Install the crankcase ventilation valve (2), spring, and new O-ring (3).
2. Install the crankcase ventilation valve access cover (1).
3. While holding down crankcase ventilation valve access cover (1), install the 2 access cover retaining bolts.