Nissan Qashqai J11. Manual - part 575

FUEL SYSTEM

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PERIODIC MAINTENANCE

FUEL SYSTEM

Inspection

INFOID:0000000010419012

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.

Quick Connector

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CAUTION:

• After connecting fuel tube quick connectors, check that quick connectors are secure.
• Ensure that connector and resin tube never contact any adjacent parts.

A

: Engine

B

: Fuel line

C

: Fuel tank

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FUEL FILTER

FUEL FILTER

Exploded View

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Refer to 

GI-4, "Components"

 for symbol marks in the figure.

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 

FL-47, "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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FUEL FILTER

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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 

FL-47, "Air Bleeding"

.

6.

Start engine and check there is no fuel leakage.

Air Bleeding

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1.

Degassing from the diesel circuit is automatic.

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 

FL-47, "Water Draining"

.

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.

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FUEL LEVEL SENSOR UNIT

REMOVAL AND INSTALLATION

FUEL LEVEL SENSOR UNIT

2WD

2WD : Exploded View

INFOID:0000000010430539

Refer to 

GI-4, "Components"

 for symbol marks in the figure.

2WD : Removal and Installation

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WARNING:

Read “General Precautions” when working on the fuel system. Refer to 

FL-30, "General Precautions"

.

REMOVAL

1.

Release the fuel pressure from the fuel lines. Refer to 

ECK-153, "Work Procedure"

.

2.

Check fuel level on a level ground. If the fuel level is at 1/2 or higher, drain enough fuel so that the level on
the fuel gauge is at half or below.
• This is to prevent overflow of fuel from the tank when the  fuel level sensor unit, fuel filter and fuel pump

assembly is removed 

• In the event of malfunction in fuel pump, insert a hose measuring less than 20mm (0.79 in) in diameter

into fuel filler tube through fuel filler opening to draw fuel from filler tube.

- Disconnect fuel filler hose from fuel filler tube. Refer to 

FL-10, "Exploded View"

. 

- Insert hose into fuel tank through fuel filler hose to draw fuel from fuel tank.

3.

Disconnect batterie cable from negative terminal.

1.

Lock ring

2.

Fuel level sensor unit, fuel filter and fuel pump 
assembly

3.

O-ring

4.

Fuel tank

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Guideline

: Draw approximately 27 liters (6 Imp gal) from a full-tank con-
dition.