REMOVE AIR CLEANER ASSEMBLY
Disconnect the mass air flow meter connector.
Detach the wire harness clamp.
Loosen the hose clamp.
Remove the 2 bolts and air cleaner.
DISCONNECT NO. 4 AIR INJECTION SYSTEM HOSE
Loosen the clamp and disconnect the No. 4 air injection system hose.
REMOVE EXHAUST MANIFOLD HEAT INSULATOR
Remove the 5 bolts and exhaust manifold heat insulator.
REMOVE NO. 4 INTAKE PIPE
Remove the 4 nuts, No. 4 intake pipe and 2 gaskets.
REMOVE AIR SWITCHING VALVE
Disconnect the air switching valve connector.
Remove the 2 nuts and air switching valve.