Infiniti FX35 / FX45. Manual — part 271
CO-14
< SERVICE INFORMATION >
[VQ35DE]
RADIATOR
4.
Remove reservoir tank and reservoir tank bracket.
5.
Disconnect A/T fluid cooler hoses from radiator.
• Install blind plug to avoid leakage of A/T fluid.
6.
Removal radiator hoses (upper and lower) and reservoir tank hose.
CAUTION:
Be careful not to allow engine coolant to contact drive belts.
7.
Remove radiator cooling fan assembly. Refer to
.
8.
Rotate two radiator upper mount brackets 90 degrees in the
direction shown in the figure, and remove them.
9.
Lift up and remove radiator.
CAUTION:
Do not damage or scratch A/C condenser and radiator core
when removing.
INSTALLATION
Installation is the reverse order of removal.
INSPECTION AFTER INSTALLATION
• Check for leaks of engine coolant using the radiator cap tester adapter (commercial service tool) and the
radiator cap tester (commercial service tool). Refer to
.
• Start and warm up the engine. Visually make sure that there is no leaks of engine coolant and A/T fluid.
Checking Radiator Cap
INFOID:0000000001325849
• 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.
SBIA0447E
SBIA0448E
PBIC2816E
RADIATOR
CO-15
< SERVICE INFORMATION >
[VQ35DE]
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• 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 (commer-
cial service tool) (A) and the radiator cap tester adapter (commer-
cial service tool) (B), apply engine coolant to the cap seal surface.
• Replace radiator cap if there is an unusualness related to the above three.
CAUTION:
When installing radiator cap, thoroughly wipe out the radiator filler neck to remove any waxy residue
or foreign material.
Checking Radiator
INFOID:0000000001325850
Check radiator for mud or clogging. If necessary, clean radiator as follows.
• Be careful not to bend or damage radiator fins.
• When radiator is cleaned without removal, remove all surrounding parts such as radiator cooling fan assem-
bly and horns. Then tape harness and connectors to prevent water from entering.
1.
Apply water by hose to the back side of the 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 (11.81
in).
5.
Blow air again into all the radiator core surfaces once per minute until no water sprays out.
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
CO-16
< SERVICE INFORMATION >
[VQ35DE]
RADIATOR (ALUMINUM TYPE)
RADIATOR (ALUMINUM TYPE)
Component
INFOID:0000000001325851
Disassembly and Assembly
INFOID:0000000001325852
PREPARATION
1.
Attach spacer to tip of the 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 the 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 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)
PBIC2539E
SLC655CB
SLC903-A
RADIATOR (ALUMINUM TYPE)
CO-17
< SERVICE INFORMATION >
[VQ35DE]
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• Grip the crimped edge and bend it upwards so that the radiator
plate pliers B [SST: KV99103520 (
—
)] slips off.
CAUTION:
Do not bend excessively.
• In areas where the radiator plate pliers B [SST: KV99103520
(
—
)] 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
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