Infiniti Q45 (FY33). Manual — part 499
Radiator
REMOVAL AND INSTALLATION
1.
Remove under cover.
2.
Drain coolant from radiator.
3.
Disconnect radiator upper and lower hoses.
4.
Remove radiator shroud.
5.
Remove A/T oil cooler hoses.
6.
Disconnect reservoir tank hose.
7.
Remove radiator mounting bracket.
8.
Remove radiator.
9.
After repairing or replacing radiator, install any part removed in
reverse order of removal.
When filling radiator with coolant, refer to MA section
(“Changing Engine Coolant”).
SLC112B
q
1
Radiator
q
2
Radiator filler cap
q
3
Reservoir tank
q
4
Radiator drain cock
q
5
Lower radiator hose
q
6
Mounting rubber
q
7
Radiator shroud
q
8
Upper radiator hose
GI
MA
EM
EC
FE
AT
PD
FA
RA
BR
ST
RS
BT
HA
EL
IDX
ENGINE COOLING SYSTEM
LC-13
SLC882AC
SLC655CB
PREPARATION
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.
SLC903-A
DISASSEMBLY
1.
Remove tank with Tool.
SLC893
I
Grip the crimped edge and bend it upwards so that Tool slips
off.
Do not bend excessively.
ENGINE COOLING SYSTEM
Radiator (Cont’d)
LC-14
SLC930
I
In areas where Tool cannot be used, use a screwdriver to bend
the edge up.
Be careful not to damage tank.
SLC931
2.
Make sure the edge stands straight up.
3.
Remove oil cooler from tank.
SLC894
ASSEMBLY
1.
Install oil cooler.
Pay attention to direction of conical washer.
SLC932
2.
Clean contact portion of tank.
SLC917A
3.
Install sealing rubber.
Push it in with fingers.
Be careful not to twist sealing rubber.
GI
MA
EM
EC
FE
AT
PD
FA
RA
BR
ST
RS
BT
HA
EL
IDX
ENGINE COOLING SYSTEM
Radiator (Cont’d)
LC-15
SLC904-A
4.
Caulk tank in specified sequence with Tool.
SLC896
SLC897
I
Use pliers in the locations where Tool cannot be used.
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
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 as well.
ENGINE COOLING SYSTEM
Radiator (Cont’d)
LC-16
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