Infiniti M35/M45 Y50. Manual - part 352

RADIATOR (ALUMINUM TYPE)

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2.

Install new sealing rubber while pushing it with fingers.

CAUTION:

Be careful not to twist sealing rubber.

3.

Caulk tank in numerical order as shown in the figure with radia-
tor plate pliers A (SST).

●

Use pliers in the locations where radiator plate pliers A [SST:
KV99103510 (

—

)] cannot be used.

SLC917A

SLC904-A

PBIC2076E

SLC897

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RADIATOR (ALUMINUM TYPE)

4.

Make sure that the rim is completely crimped down.

5.

Make sure that there is no leakage. Refer to 

CO-50, "INSPECTION"

 .

INSPECTION

1.

Apply pressure with radiator cap tester adapter (commercial ser-
vice tool) and radiator cap tester (commercial service tool).

●

provide used radiator and connect it to tested radiator using
radiator hoses as shown in the figure.

NOTE:
The used radiator should be tested beforehand to confirm it
has no leakage. If used one is not available, it is possible to
use new service part as a radiator testing tool. 

WARNING:

To prevent the risk of hose coming undone while under pressure, securely fasten it down with
hose clamp.

CAUTION:

Attach hose to A/T fluid cooler to seal its inlet and outlet.

2.

Check for leakage by soaking radiator in water container with
the testing pressure applied.

Standard height “H”

: 8.0 - 8.4 mm (0.315 - 0.331 in)

SLC554A

Testing pressure

: 157 kPa (1.6 kg/cm

2

 , 23 psi)

PBIC5158E

PBIC1699E

COOLING FAN

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COOLING FAN

PFP:21140

Components

NBS004RM

Removal and Installation

NBS004RN

REMOVAL

1.

Remove engine room cover (RH and LH). Refer to 

EM-173, "ENGINE ROOM COVER"

 .

2.

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

EM-177, "AIR CLEANER AND AIR

DUCT"

 .

3.

Drain engine coolant from radiator. Refer to 

CO-40, "ENGINE COOLANT"

 .

4.

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

5.

Remove radiator hose (upper). Refer to 

CO-43, "RADIATOR"

 .

6.

Remove cooling fan assembly.

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 radiator shroud and cooling fan mounting bolt and observe the specified
torque (to prevent radiator from being damaged).

INSPECTION AFTER INSTALLATION

Make sure that fan motors operate normally.

1.

Sub-harness

2.

Cooling fan control module

3.

Sub-harness

4.

Fan motor (LH)

5.

Fan motor (RH)

6.

Fan shroud

7.

Cooling fan (RH)

8.

Cooling fan (LH)

A.

Apply on fan motor shaft.

 

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

KBIA3567J

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COOLING FAN

NOTE:
Cooling fans are controlled by cooling fan control module. For details. Refer to 

EC-1214, "DTC P1217

ENGINE OVER TEMPERATURE"

 .

Disassembly and Assembly 

NBS004RO

DISASSEMBLY

1.

Disconnect sub-harness from fan motor (RH and LH) and cooling fan control module.

2.

Remove cooling fan control module from fan shroud.

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 motor (RH and LH).

INSPECTION AFTER DISASSEMBLY
Cooling Fan

Inspect cooling fan for crack or unusual bend.

●

If anything is found, replace cooling fan.

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 sub-harness tightly to the fan shroud to prevent the fan rotation area from being loose.

Right side

: 4 blades

Left side

: 5 blades