Nissan Qashqai J11. Manual - part 172

CO-92

< PERIODIC MAINTENANCE >

[R9M]

ENGINE COOLANT

2.

Open radiator air relief plug (1). 

3.

Disconnect heater hose (1) at position (

) in the figure.

• Enhance heater as high as possible.

4.

Open air relief plug (1). 

5.

Fill reservoir tank with water.
• When engine coolant over flows opened radiator air relief plug, close air relief plug, and continue filling

the engine coolant.

• When engine coolant over flows opened water outlet air relief plug, close air relief plug, and continue fill-

ing the engine coolant.

• When engine coolant over flows disconnected heater hose, connect heater hose, and continue filling the

engine coolant.

6.

Install radiator cap.

7.

Run the engine and warm it up to normal operating temperature.

8.

Rev the engine two or three times under no-load.

9.

Stop the engine and wait until it cools down.

10. Drain water from the system. Refer to 

CO-89, "Draining"

.

11. Repeat steps 1 through 10 until clear water begins to drain from radiator.

: Vehicle front

E1BIA1141ZZ

: Vehicle front

JPBIA4208ZZ

: Vehicle front

E1BIA1151ZZ

RESERVOIR TANK CAP

CO-93

< PERIODIC MAINTENANCE >

[R9M]

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RESERVOIR TANK CAP

Inspection

INFOID:0000000010416527

• Fit the adapter to the reservoir tank cap tester [SST: — (M.S. 554-

07)] (A) as shown.

• When connecting the reservoir tank cap to the reservoir tank cap

tester, apply water or LLC to the reservoir tank cap seal part.

• Check reservoir tank cap relief pressure.

• Replace the reservoir tank cap if the engine coolant passes

through it, or if any fur signs is detected.

CAUTION:

When installing reservoir tank cap, thoroughly wipe out the res-
ervoir tank filler neck to remove any waxy residue or foreign
material.

Standard: Refer to 

CO-106, "Radiator"

.

E1BIA0057ZZ

CO-94

< PERIODIC MAINTENANCE >

[R9M]

RADIATOR

RADIATOR

Inspection

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Check radiator for mud or clogging. If necessary, clean radiator as follows.

CAUTION:

• Never bend or damage the radiator fins.
• When radiator is cleaned without removal, remove all surrounding parts such as radiator fan, radia-

tor shroud and horns. Then tape the harness and connectors to prevent water from entering.

1.

Apply water by hose to the back side of the radiator core vertically downwards.

2.

Apply water again to all radiator core surface once per minute.

3.

Stop washing if any stains no longer flow out from the radiator.

4.

Blow air into the back side of radiator core vertically downwards.

• Use compressed air lower than 490 kPa (4.9 bar 5 kg/cm

2

, 71psi) and keep distance more than 30 cm (11.8

in). 

5.

 Blow air again into all the radiator core surface once per minute until no water sprays out.

RADIATOR

CO-95

< REMOVAL AND INSTALLATION >

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REMOVAL AND INSTALLATION

RADIATOR

Exploded View

INFOID:0000000010438945

Refer to 

GI-4, "Components"

 for symbol marks in the figure.

Removal and Installation

INFOID:0000000010438946

REMOVAL

WARNING:

• Never remove reservoir tank cap when engine is hot. Serious burns may occur from high-pressure

engine coolant escaping from radiator. 

• Wrap a thick cloth around the reservoir tank cap. Slowly turn it a quarter of a turn to release built-up

pressure. Then turn it all the way.

1.

Radiator core support

2.

Radiator hose (upper)

3.

Radiator hose (lower)

4.

Cooling fan assembly

5.

Clip

6.

Air guide (LH)

7.

Mounting rubber

8.

Radiator

9.

Air guide (Lower)

10. Air guide (RH)

11.

Intercooler

12. Radiator mounting bracket

E1BIA1116GB