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Loosen the drain plug and drain the engine coolant.

(Refer to Cooling System - "Coolant")

Remove the air cleaner assembly.

(Refer to Intake and Exhaust System - "Air cleaner")

Disconnect the radiator upper hose (A) and lower hose (B).

note

When installing radiator hoses, install as shown in illustrations.

Separate the engine wiring protector mounted on the water temperature control assembly.

(Refer to Engine Control/Fuel System -"Engine Control System Components")

caution

When installing, be sure to install the wiring protector mounting bolts of the original.

If other bolts(longer or larger) has been installed, this can damage the water temperature control assembly and coolant may be leak.

Disconnect the throttle body coolant hoses (A) and the heater hoses (B).

note

When installing the heater hoses, install as shown in illustrations.

Remove the water temperature control assembly (A).

Tightening torque :

19.6 ~ 23.5 N.m (2.0 ~ 2.4 kgf.m, 14.5 ~ 17.4 lb-ft)

11.

Fill the radiator with coolant and check for leaks.

(Refer to Cooling System - "Coolant")

note

●

Refill engine coolant.

●

Refill radiator and reservoir tank with engine coolant.

●

Bleed air from the cooling system.

Start engine and let it run until it warms up. (Until the radiator fan operates 3 or 4 times.)

Turn Off the engine. Check the level in the radiator, add coolant if needed. This will allow trapped air to be removed from the cooling system.

Put radiator cap on tightly, then run the engine again and check for leaks.

●

Clean the battery posts and cable terminals with sandpaper assemble them, then apply grease to prevent corrosion.

Remove the intake manifold.

(Refer to Intake And Exhaust System - "Intake Manifold")

Remove the water temperature control assembly.

(Refer to Cooling System - "Water Temperature Control Assembly")

Remove the water center pipe (A).

Tightening torque:

9.8 ~ 11.8 N.m (1.0 ~ 1.2 kgf.m, 7.2 ~ 8.7 lb-ft)

note

Do not reuse water pipe O-ring.