Air Injection Control Valve: Service and Repair

SECONDARY AIR INJECTION (AIR) SHUT-OFF VALVE REPLACEMENT

REMOVAL PROCEDURE




1. Remove the secondary air injection (AIR) pressure sensor.
2. Disconnect the air inlet hose (2) from the AIR shut-off valve (3).
3. Disconnect the air outlet hose (4) from the AIR shut-off valve.
4. Remove the 2 fasteners (1) from the AIR shut-off valve bracket.
5. Remove the AIR shut-off valve and bracket from the engine.




6. Remove the 2 bolts securing the AIR shut-off valve to the bracket and pipe assembly.
7. Remove the AIR shut-off valve.

INSTALLATION PROCEDURE




1. Install the AIR shut-off valve (3) and gasket (4) to the bracket and pipe assembly (5).
2. Secure the 3 parts with the 2 bolts.

NOTE: Refer to Fastener Notice in Service Precautions.

Tighten the 2 fasteners to 8 N.m (71 lb in).




3. Install the AIR shut-off valve and bracket to the engine.
4. Secure the AIR shut-off valve (3) with the 2 bolts (1).

Tighten the 2 fasteners to 21 N.m (16 lb ft).

5. Connect the air inlet hose (2) to the AIR shut-off valve (3).
6. Connect the air outlet hose (4) to the AIR shut-off valve.
7. Install the AIR pressure sensor.