Removal

3UR-FE EMISSION CONTROL: AIR SWITCHING VALVE: REMOVAL

1. REMOVE EXHAUST MANIFOLD SUB-ASSEMBLY

(a) Remove the exhaust manifold Removal.

2. REMOVE INTAKE MANIFOLD

(a) Remove the intake manifold Removal.

3. DISCONNECT NO. 1 WATER BY-PASS HOSE

(a) Disconnect the No. 1 water by-pass hose from the water by-pass joint and water inlet housing.





4. DISCONNECT NO. 2 WATER BY-PASS HOSE

(a) Disconnect the No. 2 water by-pass hose from the water by-pass joint.

5. DISCONNECT NO. 2 WATER BY-PASS PIPE SUB-ASSEMBLY (w/ Oil Cooler)

(a) Remove the 3 bolts and disconnect the No. 2 water by-pass pipe.





6. REMOVE NO. 2 ENGINE COVER





7. DISCONNECT FUEL TUBE CLAMP

(a) Disconnect the fuel tube clamp from the bracket.





8. REMOVE NO. 1 ENGINE COVER





9. REMOVE FRONT WATER BY-PASS JOINT

(a) Disconnect the engine coolant temperature sensor connector.

(b) Remove the 4 nuts, front water by-pass joint and 2 gaskets.





10. REMOVE AIR PIPE SUB-ASSEMBLY

(a) Disconnect the No. 2 and No. 3 hoses.





(b) Disconnect the air pump connector.

(c) Disconnect the air pump connector clamp holder.

(d) Using a clip remover, detach the wire harness claw.

(e) Remove the 2 bolts and air pipe.





(f) Disconnect the 2 No. 1 air hoses from the air pipe.

11. REMOVE AIR SWITCHING VALVE ASSEMBLY

(a) Disconnect the knock sensor connector.





(b) Remove the bolt and bracket.

(c) Disconnect the 2 air switching valve connectors.

(d) Remove the 3 bolts and air switching valve.





12. REMOVE NO. 2 AIR TUBE

(a) Remove the 2 bolts, No. 2 air tube and gasket.





NOTICE:
Be careful not to damage the installation surface of the gaskets.

13. REMOVE NO. 3 AIR TUBE

(a) Remove the 2 bolts, No. 3 air tube and gasket.





NOTICE:
Be careful not to damage the installation surface of the gaskets.