PROCEDURE
INSTALL AIR SWITCHING VALVE ASSEMBLY
Set the No. 1 exhaust manifold heat insulator in place.
Install the air switching valve with 2 new nuts.
Connect the connector.
Connect the vacuum hose.
INSTALL NO. 4 INTAKE PIPE
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.
Check that the nuts are tightened to the torque specification.
INSTALL NO. 1 EXHAUST MANIFOLD HEAT INSULATOR
Install the No. 1 exhaust manifold heat insulator with the 5 bolts.
CONNECT NO. 1 AIR INJECTION SYSTEM HOSE
| *a | Upper |
| *b | RH Side |
| *c | Rib |
| *d | Paint Mark |
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.
Tech Tips
Make sure the paint mark of the No. 1 air injection system hose is facing upward.
Make sure the direction of the hose clamp is as shown in the illustration.
INSTALL FRONT NO. 1 FENDER APRON TO FRAME SEAL RH
Install the front No. 1 fender apron to frame seal with the 5 clips.
INSTALL AIR CLEANER CASE
INSTALL AIR CLEANER AND HOSE