For 1990-2009 cars

### Removal Procedure

1. Disconnect the vacuum hose (4).
2. Remove the AIR shut-off valve (1) to bracket screws.
3. Remove the 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. Install the hose clamps.

Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

4. Install the AIR shut-off valve (1) to bracket screw.

Tighten
Tighten the screws to 4 N·m (35 lb in).

5. Reconnect the vacuum hose (4).