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)

NOTE: Make sure the gasket's claws are not caught between the air tube and air switching valve.

HINT: The identification color on the flange is orange.

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)

NOTE: Make sure the gasket's claws are not caught between the air tube and air switching valve.

HINT: The identification color on the flange is blue.

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's connector.
4. INSTALL AIR TUBE
(a) Connect the 2 No. 1 air hoses to the air tube.





(b) Connect the air tube to the air switching valve, and install the air tube with the 2 bolts.
Torque: 10 Nm (102 kgf-cm, 7 ft-lbf)





(c) Connect the air pump connector clamp's holder.
(d) Attach the wire harness claw.
(e) Connect the air pump's connector.
(f) Connect the No. 2 and No. 3 hose.
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





(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

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

- 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.

10. CONNECT FUEL TUBE CLAMP





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





11. INSTALL NO. 2 ENGINE COVER

NOTE: Make sure that the No. 2 engine cover is level with the top surface of the intake port if the cylinder head.

- 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.

12. INSTALL INTAKE MANIFOLD
(a) Install the intake manifold (Installation).
13. INSTALL EXHAUST MANIFOLD SUB-ASSEMBLY
(a) Install the exhaust manifold (Installation).