Secondary Air Injection (Air) Shut-Off Valve Replacement
SECONDARY AIR INJECTION (AIR) SHUT-OFF VALVE REPLACEMENTREMOVAL PROCEDURE
1. Remove the secondary 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 two fasteners (1) from the secondary AIR shut-off valve bracket.
5. Remove the secondary AIR shut-off valve and bracket from the engine.
6. Remove the two bolts securing the secondary AIR shut-off valve to the bracket and pipe assembly.
7. Remove the secondary AIR shut-off valve.
INSTALLATION PROCEDURE
1. Install the secondary AIR shut-off valve (3) and gasket (4) to the bracket and pipe assembly (5).
NOTE: Refer to Fastener Notice in Service Precautions.
2. Secure the three parts with the two bolts.
Tighten
Tighten the two fasteners to 8.8 N.m (77 lb in).
3. Install the secondary AIR shut-off valve and bracket to the engine.
4. Secure the AIR shut-off valve (3) with the two bolts (1).
Tighten
Tighten the two fasteners to 7 N.m (62 lb in).
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 secondary AIR pressure sensor.