Nissan X-Trail 32. Manual — part 304
CO-42
< PERIODIC MAINTENANCE >
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RADIATOR
RADIATOR
RADIATOR CAP
RADIATOR CAP : Inspection
INFOID:0000000010782966
• Check valve seat
of radiator cap.
- Check that valve seat is swollen to the extent that the edge of the
plunger
cannot be seen when watching it vertically from the top.
- Check that valve seat has no soil and damage.
- Check that there is no dirt or damage on the valve seat of radiator
cap negative-pressure valve.
- Check that there are no unusualness in the opening and closing
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.
RADIATOR
RADIATOR : Inspection
INFOID:0000000010782967
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 radiator cooling fan
assembly and horns. Then tape harness and harness 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 (4.9 bar, 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.
JPBIA1961ZZ
Standard and Limit
: Refer to
PBIC5122J
RADIATOR
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REMOVAL AND INSTALLATION
RADIATOR
Exploded View
INFOID:0000000010782968
REMOVAL
Removal and Installation
INFOID:0000000010782969
REMOVAL
WARNING:
• Never remove radiator cap when engine is hot. Serious burns may occur from high-pressure engine
coolant escaping from radiator.
Reservoir tank cap
Reservoir tank
Reservoir tank hose
Clip
Mounting bracket
Mounting rubber (upper)
Radiator cap
Side seal
Side seal
Radiator
Mounting rubber (lower)
O-ring
Drain plug
Side seal
Clamp
Radiator hose (lower)
Clamp
Radiator hose (upper)
Cooling fan assembly
To water outlet
To water inlet
Not applicable
: Always replace after every disassembly.
: N·m (kg-m, in-lb)
JSBIA4998GB
CO-44
< REMOVAL AND INSTALLATION >
[QR25DE]
RADIATOR
• Wrap a thick cloth around the radiator cap. Slowly turn it a quarter of a turn to release built-up pres-
sure. Then turn it all the way.
NOTE:
When removing components such as hoses, tubes/lines, etc., cap or plug openings to prevent fluid from spill-
ing.
1.
Remove engine under cover. Refer to
EXT-39, "ENGINE UNDER COVER : Exploded View"
2.
Drain engine coolant from radiator. Refer to
.
CAUTION:
• Perform this step when the engine is cold.
• Never spill engine coolant on drive belts.
3.
Remove radiator hose (lower) from radiator.
4.
Remove air duct 1 and air duct 2. Refer to
EM-175, "Removal and Installation"
.
5.
Remove battery and battery bracket. Refer to
PG-140, "EXCEPT FOR R9M : Exploded View"
6.
Remove radiator hose (upper) from radiator.
CAUTION:
Never spill engine coolant on drive belt.
7.
Remove cooling fan assembly. Refer to
CO-47, "Removal and Installation"
8.
Remove condenser
from radiator
, and move it frontward.
CAUTION:
• Be careful not to damage condenser core.
• Minimize the moving distance of condenser to prevent
load to air conditioner piping.
9.
Remove radiator
from the clearance between condenser
and upper radiator core support.
CAUTION:
• Be careful not to damage radiator core.
• Minimize the moving distance of condenser to prevent
load to air conditioner piping.
INSTALLATION
Note the following, and install in the reverse order of removal.
Radiator hose
CAUTION:
• Use genuine mounting bolts for the cooling fan assembly and strictly observe the tightening torque.
(Breakage prevention for radiator)
NOTE:
• Insert the radiator hose
all the way to the stopper
or by 33 mm (1.30 in) (hose without a stopper).
: Mount
JPBIA6840ZZ
: Radiator moving direction
JPBIA6841ZZ
RADIATOR
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• For the orientation of the hose clamp pawl, refer to the figure.
*Refer to the illustrations for the specific position each hose clamp tab.
Unit: mm (in)
Radiator side
Engine side
JPBIA4294GB
Radiator hose
Hose end
Paint mark
Position of hose clamp*
: Vehicle upper
Radiator hose (upper)
Radiator side
Upper
Engine side
Upper
Radiator hose (lower)
Radiator side
Lower
Engine side
Front
JPCIA0366ZZ
JPCIA0362ZZ
JPCIA0363ZZ
JSBIA4312ZZ
JPCIA0365ZZ
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