Infiniti I35 (A33). Manual — part 560
Cooling Fan Control System
NHLC0024
Cooling fans are controlled by ECM. For details, refer to EC-517,
“COOLING FAN CONTROL”.
Refilling Engine Coolant
NHLC0034
For details on refilling engine coolant, refer to MA-14, “REFILLING
ENGINE COOLANT”.
Radiator (Aluminum type)
PREPARATION
NHLC0025
SLC573B
SLC655CB
1.
Attach the spacer to the tip of the radiator plate pliers A. 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 radiator plate pliers A are closed dimen-
sion H
′′
is approx. 7.6 mm (0.299 in).
3.
Adjust dimension H
′′
with the spacer, if necessary.
GI
MA
EM
EC
FE
AT
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
ENGINE COOLING SYSTEM
Cooling Fan Control System
LC-21
SLC903-A
DISASSEMBLY
NHLC0026
1.
Remove upper and lower tanks with Tool.
SLC893
I
Grip the crimped edge and bend it upwards so that Tool slips
off.
Do not bend excessively.
SLC930
I
In areas where Tool cannot be used, use a screwdriver to bend
the edge up.
Be careful not to damage tank.
2.
Remove sealing rubbers.
SLC931
3.
Make sure the edge stands straight up.
4.
Remove oil cooler from tank.
ASSEMBLY
NHLC0027
1.
Install oil cooler.
ENGINE COOLING SYSTEM
Radiator (Aluminum type) (Cont’d)
LC-22
SLC932
2.
Clean contact portion of tank.
SLC917A
3.
Install sealing rubber.
Push it in with fingers.
Be careful not to twist sealing rubber.
SLC904-A
4.
Caulk tank in specified sequence with Tool.
SLC896
SLC897
I
Use pliers in the locations where Tool cannot be used.
GI
MA
EM
EC
FE
AT
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
ENGINE COOLING SYSTEM
Radiator (Aluminum type) (Cont’d)
LC-23
SLC554A
5.
Make sure that the rim is completely crimped down.
Standard height “H”:
8.0 - 8.4 mm (0.315 - 0.331 in)
6.
Confirm that there is no leakage.
Refer to Inspection.
SLC933-A
INSPECTION
NHLC0028
1.
Apply pressure with Tool.
Specified pressure value:
157 kPa (1.6 kg/cm
2
, 23 psi)
WARNING:
To prevent the risk of the hose coming undone while under
pressure, securely fasten it down with a hose clamp.
Attach a hose to the oil cooler to seal its inlet and outlet.
SLC934
2.
Check for leakage by soaking radiator in water container.
ENGINE COOLING SYSTEM
Radiator (Aluminum type) (Cont’d)
LC-24
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