Air Switching Valve Installation

Set the No. 1 exhaust manifold heat insulator in place.

Install the air switching valve with 2 new nuts.

Torque:

26 N*m{265 kgf*cm, 19 ft.*lbf}

Connect the connector.

Connect the vacuum hose.

Install 2 new gaskets and the No. 4 intake pipe with 4 new nuts in the order shown in the illustration. Tighten the nuts labeled 1 and 3 to the torque specification again.

Torque:

26 N*m{265 kgf*cm, 19 ft.*lbf}

Check that the nuts are tightened to the torque specification.

Install the No. 1 exhaust manifold heat insulator with the 5 bolts.

Torque:

12 N*m{122 kgf*cm, 9 ft.*lbf}

Connect the No. 1 air injection system hose so that its paint mark aligns with the rib of the air switching valve as shown in the illustration.

HINT:

1. Make sure the paint mark of the No. 1 air injection system hose is facing upward.
   
2. Make sure the direction of the hose clamp is as shown in the illustration.
   

Install the front No. 1 fender apron to frame seal with the 5 clips.

Install the air cleaner case with the 3 bolts.

Torque:

12 N*m{122 kgf*cm, 9 ft.*lbf}

Install the air cleaner filter element sub-assembly.

Install the air cleaner hose and align its matchmark with the matchmark of the intake air connector as shown in the illustration.

Tighten the hose clamp.

NOTICE:

Check that the air cleaner hose is securely installed.

Attach the 4 clamps.

Connect the mass air flow meter connector and attach the 3 clamps.