Nissan Juke (2016 year). Service Repair Manual — part 91
ENGINE COOLANT
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4. Disconnect heater hose (1) at position (
) in the figure.
• Enhance heater as high as possible.
5. Fill radiator and reservoir tank with water and reinstall radiator cap.
• When engine coolant over flows disconnected heater hose, connect heater hose, and continue filling the
engine coolant.
6. Connect vacuum hose, and install vacuum tube.
7. Install air duct (suction side), air cleaner cover assembly and air cleaner body assembly. Refer to
8. Run the engine and warm it up to normal operating temperature.
9. Rev the engine two or three times under no-load.
10. Stop the engine and wait until it cools down.
11. Drain water from the system. Refer to
12. Repeat steps 1 through 9 until clear water begins to drain from radiator.
: Vehicle front
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2016 JUKE
CO-14
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RADIATOR
RADIATOR
RADIATOR CAP
RADIATOR CAP : Inspection
INFOID:0000000012197520
• Check valve seat (A) 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.
• Pull negative-pressure valve to open it, and that it close completely
when released.
- 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:0000000012197521
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.
B : Metal plunger
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SMA967B
Standard and Limit
: Refer to
PBIC5122J
Revision: November 2015
2016 JUKE
RADIATOR
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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
(11.81 in).
5. Blow air again into all the radiator core surfaces once per minute until no water sprays out.
Revision: November 2015
2016 JUKE
CO-16
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RADIATOR
REMOVAL AND INSTALLATION
RADIATOR
Exploded View
INFOID:0000000012197522
Removal and Installation
INFOID:0000000012197523
REMOVAL
WARNING:
• Never remove radiator cap when engine is hot. Serious burns may occur from high-pressure engine
coolant escaping from engine cooling system.
• 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:
1.
Cooling fan assembly
2.
Mounting rubber (upper)
3.
Radiator
4.
Mounting rubber (lower)
5.
O-ring
6.
Drain plug
7.
Clamp
8.
Radiator hose (lower) (LH)
9.
Reservoir tank hose
10. Reservoir tank
11. Reservoir tank cap
12. Clamp
13. Radiator hose (upper)
14. Water outlet adaptor
15. Radiator cap
16. Radiator hose pipe
17. Bracket
18. Radiator hose (lower) (RH)
A.
To water outlet
B.
To water inlet
: N·m (kg-m, in-lb)
: Always replace after every disassembly.
: Indicates that the parts is connected at points with symbols in actual vehicle.
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RADIATOR
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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 engine cover. Refer to
.
3. Remove engine under cover.
4. Remove radiator hose (upper and lower).
5. Remove front bumper. Refer to
6. Remove radiator core support upper. Refer to
DLK-130, "MR16DDT : Removal and Installation"
7. Disconnect cooling fan harness connector.
8. Remove reservoir tank.
9. Remove cooling fan assembly.
CAUTION:
Never damage or scratch the radiator core.
10. Remove condenser from radiator and temporarily fasten it on vehicle with a rope.
11. Pull up and remove the radiator assembly (1).
CAUTION:
Never damage radiator core and condenser assembly core.
INSTALLATION
CAUTION:
Do not reuse O-rings.
Note the following, and install in the reverse order of removal.
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.
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Unit mm (in)
A. Radiator side
B. Engine side
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Radiator hose
Hose end
Paint mark
Position of hose clamp*
Radiator hose (upper)
Radiator side
Upper
A
Engine side
Upper
B
Radiator hose (lower) (RH)
Radiator side
Upper
C
Engine side
Front side
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CO-18
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RADIATOR
*Refer to the illustrations for the specific position each hose clamp tab.
• The angle (b) created by the hose clamp pawl and the specified
line (A) must be within
±
15
°
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:0000000012197524
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. Check visually that there is no leakage of engine coolant.
Radiator hose (lower) (LH)
Radiator side
Rear side
E
Engine side
Rear side
F
Radiator hose
Hose end
Paint mark
Position of hose clamp*
G. View G
h.
45
°
: Vehicle upper
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Dimension “A”
3 mm (0.12 in)
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COOLING FAN
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COOLING FAN
Exploded View
INFOID:0000000012197525
Removal and Installation
INFOID:0000000012197526
REMOVAL
1. Drain engine coolant. Refer to
.
CAUTION:
• Perform this step engine is cold.
• Never spill engine coolant on drive belt.
2. Remove engine cover.
3. Remove front bumper. Refer to
4. Remove radiator core support upper. Refer to
DLK-130, "MR16DDT : Removal and Installation"
5. Disconnect cooling fan harness connector.
6. Remove reservoir tank. Refer to
.
7. Remove radiator hose (upper). Refer to
.
8. Remove cooling fan assembly.
CAUTION:
Be careful not to damage or scratch on radiator core when removing.
INSTALLATION
Note the following, and install in the reverse order of removal.
CAUTION:
Only use genuine parts for fan shroud mounting bolt and observe the specified torque (to prevent
radiator from being damaged).
NOTE:
Cooling fan is controlled by ECM. For details, Refer to
EC-560, "Component Function Check"
.
Disassembly and Assembly
INFOID:0000000012197527
DISASSEMBLY
1.
Fan motor
2.
Fan shroud
3.
Cooling fan
A.
Apply on fan motor shaft
: N·m (kg-m, in-lb)
: Apply genuine high strength thread locking sealant or equivalent.
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2016 JUKE
CO-20
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COOLING FAN
1. Remove cooling fan mounting nut, and then remove the cooling fan.
2. Remove fan motor.
ASSEMBLY
Note the following, and assemble in the reverse order of disassembly.
• Apply genuine high strength thread locking sealant on fan motor shaft.
Inspection
INFOID:0000000012197528
INSPECTION AFTER DISASSEMBLY
Cooling Fan
Inspect cooling fan for crack or unusual bend.
• If anything is found, replace cooling fan.
Revision: November 2015
2016 JUKE
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