Nissan Qashqai J11. Manual - part 2272

ENGINE MAINTENANCE (R9M)

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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 

MA-120, "ENGINE COOLANT : Draining"

.

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

RESERVOIR TANK CAP

: Vehicle front

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ENGINE MAINTENANCE (R9M)

RESERVOIR TANK CAP : Inspection

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• 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.

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.

FUEL LINES

FUEL LINES : Inspection

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Inspect fuel lines, fuel filler cap, and fuel tank for improper attach-
ment, leakage, cracks, damage, loose connections, chafing or dete-
rioration.

If necessary, repair or replace damaged parts.

FUEL FILTER

Standard: Refer to 

CO-137, "Radiator"

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: Fuel line

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:  Fuel  tank

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ENGINE MAINTENANCE (R9M)

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FUEL FILTER : Exploded View

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Refer to 

GI-4, "Components"

 for symbol marks in the figure.

FUEL FILTER : Removal and Installation

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REMOVAL

1.

Disconnect quick connectors, and remove fuel hoses.

CAUTION:

Never splash fuel during removal. If fuel is splashed, immediately wipe it off.

2.

Remove fuel protector.

3.

Disconnect fuel filter connector.

4.

Remove fuel filter.

INSTALLATION

1.

Note the following, and install in the reverse order of removal.
• After installation, bleed air from fuel line. Refer to 

MA-126, "FUEL FILTER : Air Bleeding"

.

CAUTION:

Never bend or twist the fuel tube during installation and removal.

1.

Fuel filter protector

2.

Fuel filter

3.

Fuel filter bracket

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ENGINE MAINTENANCE (R9M)

FUEL FILTER : Water Draining

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1.

Connect drain hose (suitable hose) to the end of drain plug (A).

2.

Prepare a tray at the drain plug open end.

3.

Loosen drain plug, and operate priming bulb to drain water from
fuel filter.

CAUTION:

• Water in filter is drained with fuel. Prepare larger capacity

pan than fuel filter volume.

• Drained water is mixed with fuel. Prevent fuel from adher-

ing to rubber parts such as engine mounting insulator.

4.

After draining, close drain plug by hand.

CAUTION:

If drain plug is tightened excessively, it may be damaged
and fuel will leak. Never use tools to tighten drain plug.

5.

Bleed air in fuel piping. Refer to 

MA-126, "FUEL FILTER : Air Bleeding"

.

6.

Start engine and check there is no fuel leakage.

FUEL FILTER : Air Bleeding

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1.

Degassing from the diesel circuit is automatic.

FUEL FILTER : Fuel Filter Sensor (With Fuel Filter Warning)

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• Drain water from fuel filter, when the fuel filter warning lamp turns

ON. Refer to 

MA-126, "FUEL FILTER : Water Draining"

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FUEL FILTER : Inspection

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INSPECTION AFTER INSTALLATION

Check that there is no fuel leakage at connections in the following steps.
• Start engine and rev it up and check that there is no fuel leakage at connections.

AIR CLEANER FILTER

AIR CLEANER FILTER : Removal and Installation

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REMOVAL

1.

Remove air duct 2 (1).

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