Nissan Quest E52. Instruction — part 286
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< REMOVAL AND INSTALLATION >
RADIATOR
When removing components such as hoses, tubes/lines, etc., cap or plug openings to prevent fluid from spill-
ing.
1.
Drain engine coolant from radiator. Refer to
.
CAUTION:
• Perform this step when the engine is cold.
• Never spill engine coolant on drive belt.
2.
Remove the following parts:
• Air duct (inlet): Refer to
.
• Front grille: Refer to
DLK-459, "HOOD LOCK : Removal and Installation"
.
3.
Disconnect reservoir tank hose from radiator pipe (upper).
4.
Disconnect CVT fluid cooler hoses from radiator.
• Install blind plug to avoid leakage of CVT fluid.
5.
Separate low pressure flexible hose from low pressure pipe and move the separated hose. Refer to
36, "LOW-PRESSURE FLEXIBLE HOSE : Removal and Installation"
6.
Remove radiator cap adapter and each radiator hoses (upper and lower) and radiator pipe (upper)
assembly.
CAUTION:
Be careful not to allow engine coolant to contact drive belt.
7.
Remove condenser. Refer to
.
CAUTION:
Be careful not to damage condenser core.
8.
Remove each radiator upper clips (2) by pulling the tabs (A) out-
side to release the lock (B) and then remove each mounting rub-
bers (upper) (1).
CAUTION:
Never pull the tabs outside excessively to prevent it from
damping.
9.
Lift up and remove radiator from front of radiator core support.
CAUTION:
Be careful not to damage or scratch on radiator core.
INSTALLATION
Note the following, and install in the reverse order of removal.
CAUTION:
Do not reuse O-ring.
NOTE:
When installing radiator core support (upper), check that the upper and lower mounts of radiator and air con-
denser are securely inserted in each mounting hole of radiator core support (upper and lower).
CAUTION:
Always use genuine bolts for cooling fan assembly mounting bolts and observe the tightening torque.
(To prevent damage to radiator)
Radiator Upper Clip
Install each radiator upper clips on radiator core connection as follows:
C
: Mounting pin
: Vehicle front
JPBIA1689ZZ
RADIATOR
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1.
Install each mounting rubbers (upper) (1) on mounting pins (A)
of radiator.
2.
Align each radiator upper clips (2) with radiator core connection
(B), then insert each radiator upper clips straight into radiator
core connections until a click is heard.
3.
After connecting each radiator upper clips, use the following
method to check it is fully connected.
• Visually confirm that each radiator upper clips are connected
to radiator core connections.
• Move each radiator upper clips and the radiator forward and backward to check they are securely con-
nected.
Reservoir tank
NOTE:
Insert reservoir tank straight to the mounting position.
Radiator hose
NOTE:
Insert the radiator hose (1) all the way to the stopper (2) or by 33 mm (1.30 in) (hose without a stopper).
• For the orientation of the hose clamp pawl, refer to the figure.
*:Refer to the illustrations for the specific position each hose clamp tab.
: Vehicle front
JPBIA1690ZZ
unit: mm(in)
A.
Radiator side
B.
Engine side
Radiator hose
Hose end
Paint mark
Position of hose
clamp*
Radiator hose (upper)
Radiator side
Right side
C
Radiator side (radiator pipe)
—
B
Engine side (radiator pipe)
—
C
Engine side
Upper
D
Radiator hose (lower)
Radiator side
Upper
A
Radiator side (radiator pipe)
—
A
Engine side (radiator pipe)
—
A
Engine side
Upper
E
JPBIA4294GB
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< REMOVAL AND INSTALLATION >
RADIATOR
• The angle (b) created by the hose clamp pawl and the specifiedline
(A) must be within
±
30
°
as shown in the figure.
• To install hose clamps (1), check that the dimension (A) from the
end of the paint mark (2) on the radiator hose to the hose clamp is
within the reference value.
Inspection
INFOID:0000000009650546
INSPECTION AFTER INSTALLATION
• Check for leakage 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 check that there is no leakage of engine coolant and CVT fluid.
F.
View F
g.
:45
°
:Vehicle upper
:Vehicle back side
JPBIA4777ZZ
JPBIA4295ZZ
Dimension "A"
(-1) - (+1) mm
(-0.04) - (+0.04) in
JSBIA0241ZZ
COOLING FAN
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COOLING FAN
Exploded View
INFOID:0000000009650547
Removal and Installation
INFOID:0000000009650548
REMOVAL
1.
Remove the following parts.
• Engine under cover
• Air duct (inlet): Refer to
.
• Oil level gauge: Refer to
.
• Battery and battery tray: Refer to
PG-105, "Removal and Installation"
.
2.
Drain engine coolant from radiator. Refer to
.
CAUTION:
• Perform this step engine is cold.
• Never spill engine coolant on drive belt.
3.
Remove radiator cap adapter and each radiator hoses (upper) and radiator pipe (upper) assembly. Refer
to
.
4.
Disconnect harness connector from crash zone sensor, and move harness to aside. Refer to
5.
Disconnect harness connector from fan motors (RH and LH), and move harness to aside.
6.
Remove cooling fan assembly.
1.
Fan motor (LH)
2.
Fan motor (RH)
3.
Fan shroud
4.
Mounting rubber
5.
Cooling fan (RH)
6.
Cooling fan (LH)
A.
Apply on fan motor shaft
: Vehicle front
: Apply genuine high strength thread locking sealant or equivalent.
: N·m (kg-m, in-lb)
JPBIA1687GB
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