Infiniti Q45. Manual - part 280

RADIATOR

CO-13

C

D

E

F

G

H

I

J

K

L

M

A

CO

CHECKING RADIATOR

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

CAUTION:

●

Be careful not to bend or damage radiator fins.

●

When radiator is cleaned without removal, remove all surrounding parts such as cooling fan, radi-
ator shroud and horns. Then tape harness and electrical connectors to prevent water from enter-
ing.

1.

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

2.

Apply water again to all radiator core surfaces 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.

CO-14

RADIATOR (ALUMINUM TYPE)

RADIATOR (ALUMINUM TYPE)

PFP:21460

Disassembly and Assembly

NBS001PQ

PREPARATION

1.

Attach the spacer to the tip of the radiator plate pliers A (SST).
Spacer specification: 1.5 mm (0.059 in) thick x 18 mm (0.71 in)
wide x 8.5 mm (0.335 in) long.

2.

Make sure that when the radiator plate pliers A (SST) are closed dimension H

′′

 is approx. 7.6 mm (0.299

in).

3.

Adjust dimension H

′′

 with the spacer, if necessary.

DISASSEMBLY

1.

Remove upper and lower tanks with the 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)

CO-15

C

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●

Grip the crimped edge and bend it upwards so that the radia-
tor plate pliers B slips off. 

CAUTION:

Do not bend excessively.

●

In areas where the radiator plate pliers B cannot be used, use
a 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

CO-16

RADIATOR (ALUMINUM TYPE)

2.

Install sealing rubber while pushing it with fingers.

CAUTION:

Be careful not to twist sealing rubber.

3.

Caulk upper and lower tanks in numerical order as shown in the
figure with radiator plate pliers A (SST).

●

Use a pliers in the locations where the radiator plate pliers A
cannot be used.

SLC917A

SLC904-A

SLC896

SLC897