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 

EM-27,

"Exploded View"

.

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 

CO-10, "Draining"

.

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 

CO-28, "Radiator"

.

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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 

CO-10, "Draining"

.

CAUTION:

• Perform this step when the engine is cold.

• Never spill engine coolant on drive belt.

2. Remove engine cover. Refer to 

EM-26, "Exploded View"

.

3. Remove engine under cover.
4. Remove radiator hose (upper and lower).
5. Remove front bumper. Refer to 

EXT-12, "Exploded View"

.

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

D

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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 

CO-10, "Inspection"

.

• 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 

CO-10, "Draining"

.

CAUTION:

• Perform this step engine is cold.

• Never spill engine coolant on drive belt.

2. Remove engine cover. 
3. Remove front bumper. Refer to 

EXT-12, "Exploded View"

.

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 

CO-16, "Exploded View"

. 

7. Remove radiator hose (upper). Refer to 

CO-16, "Exploded View"

.

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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CO-20

< REMOVAL AND INSTALLATION >

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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