Infiniti FX35, FX50 (S51). Manual — part 442

RADIATOR

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< PERIODIC MAINTENANCE >

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3.

Stop washing if any stains no longer flow out from radiator.

4.

Blow air into the back side of radiator core vertically downward.
• Use compressed air lower than 490 kPa (5 kg/cm

2

, 71 psi) and keep distance more than 30 cm (11.8 in).

5.

Blow air again into all the radiator core surfaces once per minute until no water sprays out.

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< REMOVAL AND INSTALLATION >

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RADIATOR

REMOVAL AND INSTALLATION

RADIATOR

Exploded View

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Removal and Installation

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REMOVAL

1.

Upper mount bracket

2.

Mounting rubber (upper)

3.

Radiator

4.

Mounting rubber (lower)

5.

Clamp

6.

Radiator hose (lower)

7.

Radiator hose (upper)

8.

Drain plug

9.

O-ring

10. Water drain hose

11.

O-ring

12. Air relief plug

13. Clamp

14. A/T fluid cooler hose

15. A/T fluid cooler hose

16. Cooling fan assembly

17. Grommet

18. Reservoir tank

19. Reservoir tank hose

20. Reservoir tank hose

21. Clamp

22. Reservoir tank cap

A.

To water outlet (front)

B.

To water inlet

C.

To water outlet (front)

D.

To A/T fluid cooler pipe

Refer to

GI-4, "Components"

for symbols in the figure.

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RADIATOR

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< REMOVAL AND INSTALLATION >

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WARNING:

Never remove radiator cap when engine is hot. Serious burns could occur from high-pressure engine
coolant escaping from water outlet (front). Wrap a thick cloth around the cap. Slowly turn it a quarter
of a turn to release built-up pressure. Carefully remove radiator cap by turning it all the way.

1.

Remove the following parts:
• Engine under cover, using a power tool.
• Engine cover: Refer to

EM-27, "Exploded View"

.

• Air cleaner case: Refer to

EM-29, "Exploded View"

.

• Air duct (inlet): Refer to

EM-29, "Exploded View"

.

• Hood lock stay assembly and horn: Refer to

DLK-243, "Exploded View"

and

HRN-7, "Exploded View"

.

2.

Remove condenser. Refer to

HA-47, "Exploded View"

.

3.

Drain engine coolant from radiator. Refer to

CO-8, "Draining"

.

CAUTION:

• Perform this step when the engine is cold.
• Never spill engine coolant on drive belt.

4.

Disconnect A/T fluid cooler hoses from radiator.
• Install blind plug to avoid leakage of A/T fluid.

5.

Remove radiator hoses (upper and lower) and reservoir tank hose.

CAUTION:

• Be careful not to allow engine coolant to contact drive belt.
• Never loosen radiator water inlet pipe mounting screw

(A). If loosened, replace radiator (1).

6.

Rotate two radiator upper mount brackets 90 degrees in direc-
tion as shown in the figure, and remove them.

7.

Remove radiator as per the following:

CAUTION:

Be careful not to damage radiator core.

a.

Lift up and pull the radiator (1) forward, and then remove the
mounting rubber (lower) (3) from the radiator core support (2).

2

: Radiator water inlet pipe

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: Radiator upper mount bracket

A

: Turn 90

°

counterclockwise

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: Vehicle front

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< REMOVAL AND INSTALLATION >

[VQ35HR]

RADIATOR

b.

Remove radiator (1) from front of radiator core support (2).

INSTALLATION

Installation is the reverse order of removal.

Inspection

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INSPECTION AFTER INSTALLATION

• Check for leakage of engine coolant using the radiator cap tester adapter (commercial service tool) and the

radiator cap tester (commercial service tool). Refer to

CO-33, "Inspection"

.

• Start and warm up the engine. Visually check that there is no leakage of engine coolant and A/T fluid.

: Vehicle front

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