Secondary Air Injection Shut-Off Valve Replacement - Bank 1
SECONDARY AIR INJECTION (AIR) SHUT-OFF VALVE REPLACEMENT - BANK 1Removal Procedure
1. Disconnect the electrical connector from the secondary air injection (AIR) shut-off valve.
2. Remove the nut securing the intermediate hose/pipe to the AIR shut-off valve.
3. Disconnect the intermediate hose from the AIR shut-off valve.
4. Remove the 2 nuts securing the outlet pipe to the exhaust manifold.
5. Remove the 3 bolts securing the AIR shut-off valve to the cam cover. Remove the AIR shut-off valve, outlet pipe, and bracket from the engine. Discard the gasket.
6. Remove the 2 nuts securing the outlet pipe and bracket to the AIR shut-off valve. Discard the gasket.
Installation Procedure
1. Position the secondary air injection (AIR) shut-off valve with a new outlet pipe gasket to the outlet pipe and bracket.
Note: Refer to Fastener Notice in Service Precautions.
2. Install the 2 nuts securing the outlet pipe and bracket to the AIR shut-off valve.
Tighten
Tighten the nuts to 9 Nm (80 lb in).
3. Position a new outlet pipe gasket to the exhaust manifold.
4. Position the AIR shut-off valve with the bracket to the cam cover and exhaust manifold.
5. Install the 3 bolts securing the AIR shut-off valve to the cam cover.
Tighten
Tighten the bolts to 9 Nm (80 lb in).
6. Install the 2 nuts securing the outlet pipe to the exhaust manifold.
Tighten
Tighten the nuts to 9 Nm (80 lb in).
7. Connect the intermediate hose to the AIR shut-off valve.
8. Install the nut securing the intermediate hose/pipe to the AIR shut-off valve.
Tighten
Tighten the nut to 9 Nm (80 lb in).
9. Connect the electrical connector to the AIR shut-off valve.