Infiniti G37 Coupe. Manual - part 341

CO-14

< ON-VEHICLE REPAIR >

RADIATOR

ON-VEHICLE REPAIR

RADIATOR

Exploded View

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1.

Upper mount bracket

2.

Mounting rubber (upper)

3.

Radiator & condenser assembly

4.

Condenser pipe assembly

5.

O-ring

6.

O-ring

7.

Clamp

8.

A/T fluid cooler hose (A/T models)

9.

A/T fluid cooler hose (A/T models)

10. Mounting rubber (lower)

11.

Clamp

12. Radiator hose (lower)

13. Radiator hose (Upper)

14. Water drain hose

15. Drain plug

16. O-ring

17. Radiator water inlet pipe

18. O-ring

19. O-ring

20. Air relief plug

21. Reservoir tank cap

22. Reservoir tank 

23. Reservoir tank hose

24. Clamp

25. Reservoir tank hose

26. Grommet

27. Radiator cooling fan assembly

A.

To transmission

B.

To water inlet

C.

To water outlet

D.

Refer to 

HA-49

Refer to 

GI-4, "Components"

 for symbols in the figure.

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RADIATOR

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< ON-VEHICLE REPAIR >

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Removal and Installation

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REMOVAL

WARNING:

Never remove radiator cap when engine is hot. Serious burns could occur from high-pressure engine
coolant escaping from radiator. 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 with power tool.
• Engine cover: Refer to 

EM-24, "Exploded View"

.

• Air cleaner case (RH and LH): Refer to 

EM-26, "Exploded View"

.

• Reservoir tank: Refer to 

CO-14, "Exploded View"

.

• Radiator core support ornament, radiator core support center and horn: Refer to [

DLK-214, "Exploded

View"

.

• Hood lock: Refer to [

DLK-211, "HOOD LOCK CONTROL : Exploded View"

.

2.

Remove condenser pipe assembly. Refer to [

HA-49, "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 belts.

4.

Disconnect A/T fluid cooler hoses from radiator. (A/T models)
• 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 belts.

6.

Remove cooling fan assembly. Refer to 

CO-17, "Exploded View"

.

CAUTION:

Never damage or scratch radiator & condenser assembly core when removing.

7.

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

8.

Remove radiator & condenser assembly as follows:

CAUTION:

Be careful not to damage radiator & condenser assembly core.

a.

Lift up and pull the radiator & condenser assembly (1) forward,
and then remove the mounting rubber (lower) (3) from the radia-
tor core support (2).

1

: Radiator upper mount bracket

A

:  Turn  90

°

 counterclockwise

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: Vehicle front

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CO-16

< ON-VEHICLE REPAIR >

RADIATOR

b.

Remove radiator & condenser assembly (1) from front of radia-
tor core support (2).

INSTALLATION

Installation is the reverse order of removal.

Inspection

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INSPECTION AFTER INSTALLATION

• Check that the reservoir tank cap is tightened.
• Check for leaks of engine coolant using the radiator cap tester adapter [SST: EG17650301 (J33984-A)] and

the radiator cap tester (commercial service tool). Refer to 

CO-8, "Inspection"

.

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

els).

: Vehicle front

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COOLING FAN

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COOLING FAN

Exploded View

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Removal and Installation

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REMOVAL

1.

Remove reservoir tank. Refer to 

CO-14, "Exploded View"

.

2.

Remove air cleaner case (LH). Refer to 

EM-26, "Exploded View"

.

3.

Disconnect harness connector from cooling fan control module, and move harness to aside.

4.

Remove engine under cover with power tool.

5.

Remove cooling fan assembly from under the vehicle.

CAUTION:

Be careful not to damage or scratch on radiator core.

INSTALLATION

Note the following, and install in the reverse order of removal.

CAUTION:

Only use genuine parts for cooling fan mounting bolt and observe the specified torque (to prevent
radiator from being damaged).

Disassembly and Assembly

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DISASSEMBLY

1.

Disconnect harness from cooling fan control module.

2.

Remove cooling fan control module from cooling fan assembly.

CAUTION:

Handle carefully to avoid dropping and shocks.

3.

Remove cooling fan mounting nuts, and then remove the cooling fan (RH and LH).

4.

Remove fan motors (RH and LH).

1.

Cooling fan (RH)

2.

Cooling fan (LH)

3.

Fan shroud

4.

Fan motor (LH)

5.

Fan motor (RH)

6.

Cooling fan control module

A.

Apply on fan motor shaft

 

: Apply Genuine High Strength Lock-
ing Sealant or equivalent.

Refer to 

GI-4, "Components"

 for symbols in the figure.

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