Infiniti G35 (V35) Sedan. Manual - part 317

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 make sure that there is no leaks of engine coolant and A/T fluid (A/T

models).

: Vehicle front

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COOLING FAN

CO-17

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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-25, "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).

Inspection

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INSPECTION AFTER REMOVAL

Make sure that fan motors operate normally.
NOTE:
Cooling fans are controlled by cooling fan control module. For details, refer to 

EC-23, "Component Parts Loca-

tion"

.

Disassembly and Assembly

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DISASSEMBLY

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 symbol marks in the figure.

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CO-18

< ON-VEHICLE REPAIR >

COOLING FAN

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).

ASSEMBLY

Note the following, and assemble in the reverse order of disassembly.

CAUTION:

RH and LH cooling fans are different. Be careful not to misassemble them.
• Install each fan in the following position.

• Secure the harness tightly to the fan shroud to prevent the fan rotation area from being loose.

Inspection

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INSPECTION AFTER DISASSEMBLY

Cooling Fan

Inspect cooling fan for crack or unusual bend.
• If anything is found, replace cooling fan.

Right side

: 9 fans

Left side

: 11 fans

WATER PUMP

CO-19

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WATER PUMP

Exploded View

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Removal and Installation

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CAUTION:

• When removing water pump assembly, be careful not to get engine coolant on drive belts.
• Water pump cannot be disassembled and should be replaced as a unit.
• After installing water pump, connect hose and clamp securely, then check for leaks using the radia-

tor cap tester (commercial service tool) and the radiator cap tester adapter [SST: EG17650301
(J33984-A)].

REMOVAL

1.

Remove engine cover. Refer to

EM-27, "Exploded View"

. 

2.

Release the fuel pressure. Refer to 

EC-543, "Inspection"

.

3.

Disconnect the battery cable from the negative terminal.

4.

Remove air duct and air cleaner case assembly (RH and LH). Refer to 

EM-25, "Exploded View"

.

5.

Remove reservoir tank. Refer to 

CO-14, "Exploded View"

.

6.

Separate engine harness removing their brackets from front timing chain case.

7.

Remove engine undercover with power tool.

8.

Drain engine oil. Refer to 

LU-9, "Draining"

.

CAUTION:

• Perform this step when the engine is cold.
• Do not spill engine oil on drive belts.

9.

Drain engine coolant from radiator. Refer to 

CO-8, "Draining"

.

CAUTION:

• Perform this step when the engine is cold.
• Do not spill engine coolant on drive belts.

10. Remove cooling fan assembly. Refer to 

CO-17, "Exploded View"

.

11. Remove radiator hose (upper and lower). Refer to 

CO-14, "Exploded View"

.

12. Remove front timing chain case. Refer to 

EM-48, "Exploded View"

.

1.

Timing chain tensioner (primary)

2.

Water pump

3.

O-ring

4.

O-ring

A.

Identify with yellow paint mark

B.

Identify with light blue paint mark
Apply engine coolant

Refer to 

GI-4, "Components"

 for symbol marks in the figure.

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