Installation

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

1. INSTALL NO. 3 AIR TUBE

(a) Install a new gasket and the No. 3 air tube with the 2 bolts.

Torque : 10 Nm (102 kgf-cm, 7 ft-lbf)

HINT
The identification color on the flange is orange.

NOTICE:
Make sure the claws on the gasket are not caught between the air tube and air switching valve.

2. INSTALL NO. 2 AIR TUBE

(a) Install a new gasket and the No. 2 air tube with the 2 bolts.

Torque : 10 Nm (102 kgf-cm, 7 ft-lbf)

HINT
The identification color on the flange is blue.

NOTICE:
Make sure the claws on the gasket are not caught between the air tube and air switching valve.

3. INSTALL AIR SWITCHING VALVE ASSEMBLY

(a) Install the air switching valve with the 3 bolts.

Torque : 21 Nm (214 kgf-cm, 15 ft-lbf)

(b) Connect the 2 air switching valve connectors.

(c) Install the bracket with the bolt.

Torque : 8.0 Nm (82 kgf-cm, 71 in-lbf)

(d) Connect the knock sensor connector.

4. INSTALL AIR PIPE SUB-ASSEMBLY

(a) Connect the 2 No. 1 air hoses to the air pipe.

(b) Connect the air pipe to the air switching valve, and install the air pipe with the 2 bolts.

Torque : 10 Nm (102 kgf-cm, 7 ft-lbf)

(d) Attach the wire harness claw.

(e) Connect the air pump connector.

(f) Connect the No. 2 and No. 3 hoses.

5. INSTALL FRONT WATER BY-PASS JOINT

(a) Install 2 new gaskets and the front water by-pass joint with the 4 nuts.

Torque : 21 Nm (214 kgf-cm, 15 ft-lbf)

(b) Connect the engine coolant temperature sensor connector.

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

(a) Connect the No. 2 water by-pass pipe with the 3 bolts.

Torque : 10 Nm (102 kgf-cm, 7 ft-lbf)

7. CONNECT NO. 2 WATER BY-PASS HOSE

(a) Connect the No. 2 water by-pass hose to the water by-pass joint.

8. CONNECT NO. 1 WATER BY-PASS HOSE

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

9. INSTALL NO. 1 ENGINE COVER

HINT
* Align the No. 1 engine cover cutouts with the air tube.
* Align the No. 1 engine cover with the air switching valve surface and cylinder head wall.

NOTICE:
Make sure that the No. 1 engine cover is flush with the top surface of the intake port of the cylinder head for bank 1 and bank 2.

10. CONNECT FUEL TUBE CLAMP

(a) Connect the fuel tube clamp to the bracket.

11. INSTALL NO. 2 ENGINE COVER

HINT
* Align the No. 2 engine cover cutout with the air tube.
* Align the No. 2 engine cover with the front water by-pass joint and cylinder head wall.

NOTICE:
Make sure that the No. 2 engine cover is flush with the top surface of the intake port of the cylinder head.

12. INSTALL INTAKE MANIFOLD

(a) Install the intake manifold Installation.

13. INSTALL EXHAUST MANIFOLD SUB-ASSEMBLY

(a) Install the exhaust manifold Installation.