Air Injection Control Valve: Service and Repair

REMOVAL

1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
2. REMOVE INTAKE AIR CONNECTOR
3. REMOVE AIR CLEANER CAP SUB-ASSEMBLY




a. Disconnect the mass air flow meter connector.
b. Disconnect the wire harness clamp.
c. Loosen the hose clamp bolt, then disconnect the air cleaner hose No. 1.
d. Disconnect the 2 air cleaner clamps.
e. Remove the air cleaner cap together with the air cleaner hose No. 1.




4. REMOVE NO.1 EXHAUST MANIFOLD HEAT INSULATOR
a. Remove the 5 bolts, then remove the exhaust manifold heat insulator No. 1.




5. DISCONNECT AIR INJECTION SYSTEM NO.1 HOSE
a. Disconnect the air injection system No. 1 hose from the air switching valve.




6. REMOVE INTAKE PIPE INSULATOR
a. Remove the 4 nuts, then remove the intake pipe insulator.
b. Remove the 2 gaskets.




7. REMOVE AIR SWITCHING VALVE ASSEMBLY
a. Disconnect the vacuum hose.
b. Disconnect the air switching valve connector.




c. Remove the 2 nuts, then remove the air switching valve.
d. Remove the gasket.

INSTALLATION

1. INSTALL AIR SWITCHING VALVE ASSEMBLY




a. Install a new gasket onto the cylinder head.
b. Install the air switching valve with the 2 nuts.

Torque: 20 N.m (204 kgf.cm, 15 ft.lbf)




c. Connect the air switching valve connector.
d. Connect the vacuum hose.




2. INSTALL INTAKE PIPE INSULATOR
a. Install 2 new gaskets onto the cylinder head and air switching valve.
b. Install the intake pipe insulator with the 4 nuts.

Torque: 20 N.m (204 kgf.cm, 15 ft.lbf)




3. CONNECT AIR INJECTION SYSTEM NO.1 HOSE
a. Connect the air injection system No. 1 hose to the air switching valve.




4. INSTALL EXHAUST MANIFOLD HEAT INSULATOR NO.1
a. Install the exhaust manifold heat insulator No. 1 with the 5 bolts.

Torque: 12 N.m (122 kgf.cm, 9 ft.lbf)




5. INSTALL AIR CLEANER CAP SUB-ASSEMBLY
a. Install the air cleaner cap together with the air cleaner hose No. 1.
b. Connect the 2 air cleaner clamps.
c. Tighten the hose clamp bolt, then connect the air cleaner hose No. 1.
d. Connect the wire harness clamp.
e. Connect the mass air flow meter connector.

6. INSTALL INTAKE AIR CONNECTOR
7. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL

Torque: 3.9 N.m (40 kgf.cm, 35 in.lbf)