Infiniti FX35 / FX45. Manual - part 278

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RADIATOR

11. Lift up and remove radiator.

CAUTION:

Do not damage or scratch A/C condenser and radiator core
when removing.

INSTALLATION

Install in the reverse order of removal.

INSPECTION AFTER INSTALLATION

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

cap tester (commercial service tool). Refer to 

CO-37, "Inspection"

.

• Start and warm up engine. Visually Check if there is no leaks of engine coolant and A/T fluid.

Checking Radiator Cap

INFOID:0000000001325873

• Check valve seat of radiator cap. 
- Check if valve seat is swollen to the extent that the edge of the

plunger cannot be seen when watching it vertically from the top.

- Check if valve seat has no soil and damage.

• Pull negative-pressure valve to open it, and make sure that it close

completely when released.

- Make sure that there is no dirt or damage on the valve seat of radi-

ator cap negative-pressure valve. 

- Make sure that there are no unusualness in the opening and clos-

ing conditions of negative-pressure valve.

• Check radiator cap relief pressure.

- When connecting radiator cap to the radiator cap tester adapter

(commercial service tool) (B) and the radiator cap tester (commer-
cial service tool) (A), apply engine coolant to the cap seal surface. 

• Replace radiator cap if there is an unusualness.

PBIC1536E

PBIC2816E

SMA967B

Standard

: 78 - 98 kPa (0.8 - 1.0 kg/cm

2

, 11 - 14 psi)

Limit

: 59 kPa (0.6 kg/cm

2

, 9 psi)

PBIC5122J

RADIATOR

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CAUTION:

When installing a radiator cap, thoroughly wipe out the radiator filler neck to remove any waxy residue
or foreign material.

Checking Radiator

INFOID:0000000001325874

Check radiator for mud or clogging. If necessary, clean radiator as follows:

CAUTION:

• Be careful not to bend or damage the radiator fins.
• When radiator is cleaned without removal, remove all surrounding parts such as cooling fan, radia-

tor shroud and horns. Then tape the harness and electrical connectors to prevent water from enter-
ing.

1.

Apply water by hose to the back side of the radiator core vertically downward.

2.

Apply water again to all radiator core surface once per minute.

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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RADIATOR (ALUMINUM TYPE)

RADIATOR (ALUMINUM TYPE)

Component

INFOID:0000000001325875

Disassembly and Assembly

INFOID:0000000001325876

PREPARATION

1.

Attach spacer to tip of radiator plate pliers A (SST).
Spacer specification: 18 mm (0.71 in) wide 

×

 8.5 mm (0.335 in)

long 

×

 1.5 mm (0.059 in) thick.

2.

Make sure that when radiator plate pliers A [SST: KV99103510 (

—

)] are closed dimension H

′′

 is

approx. 7.6 mm (0.299 in).

3.

Adjust dimension H

′′

 with spacer, if necessary.

DISASSEMBLY

1.

Remove upper and lower tanks with radiator plate pliers B
(SST).

CAUTION:

Do not disassemble lower tank and A/T fluid cooler.
NOTE:
Regard lower tank and A/T fluid cooler as an assembly.

1.

Upper tank

2.

Sealing rubber

3.

Core

4.

Lower tank (with A/T fluid cooler)

PBIC2549E

SLC655CB

SLC903-A

RADIATOR (ALUMINUM TYPE)

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• Grip the crimped edge and bend it upwards so that radiator

plate pliers B [SST: KV99103520 (

—

)] slips off.

CAUTION:

Do not bend excessively.

• In areas where radiator plate pliers B [SST: KV99103520 (

—

)] cannot be used, use flat-blade screwdriver to bend the

edge up.

CAUTION:

Be careful not to damage tank.

2.

Remove sealing rubber.

3.

Make sure the edge stands straight up.

ASSEMBLY

1.

Clean contact portion of tank.

SLC893

SLC930

SLC931

SLC932