For 1990-2009 cars

### Removal Procedure

1. Disconnect the vacuum hose (4).
2. Remove the valve (1) to bracket fasteners.
3. Loosen hose clamps.
4. Disconnect the air hoses (2).
5. Remove the assembly from the vehicle.

### Installation Procedure

1. Install the assembly to the vehicle.
2. Connect the air hoses (2).
3. Tighten the hose clamps.
4. Install/tighten the valve (1) to bracket fasteners.
5. Reconnect the vacuum hose (4).