Nissan X-Trail 32. Manual — part 1296

FUEL LEVEL SENSOR UNIT, FUEL FILTER AND FUEL PUMP ASSEMBLY

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< REMOVAL AND INSTALLATION >

[DIESEL ENGINE MODEL]

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REMOVAL AND INSTALLATION

FUEL LEVEL SENSOR UNIT, FUEL FILTER AND FUEL PUMP ASSEMBLY

Exploded View

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REMOVAL

DISASSEMBLY

Lock ring

Sub fuel level sensor assembly

O-ring

Fuel tank

Fuel level sensor unit, fuel filter and
fuel pump assembly

: Vehicle front

: Always replace after every disassembly.

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< REMOVAL AND INSTALLATION >

[DIESEL ENGINE MODEL]

FUEL LEVEL SENSOR UNIT, FUEL FILTER AND FUEL PUMP ASSEMBLY

Removal and Installation

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WARNING:

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

FL-28, "General Precautions"

.

REMOVAL

CAUTION:

Perform the operation with vehicle on level ground.
1.

Release fuel pressure. Refer to

EC-962, "Work Procedure"

.

2.

Check fuel level on a level ground. If the fuel level is 7/8 of the fuel tank (full or nearly full), draw appropri-
ate amount of fuel from the fuel tank.

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

filler opening to draw approximately 10 liters (2-1/4 Imp gal) fuel.

3.

Open fuel filler lid.

4.

Open the fuel filler cap and release the pressure inside the fuel tank.

5.

Remove rear seat cushion. Refer to

SE-52, "Exploded View"

.

6.

Remove inspection hole cover.
• Using a screwdriver, remove it by turning clips clockwise by 90 degrees.

7.

Disconnect harness connector

and quick connectors

.

Disconnect quick connector as follows:

Fuel filter and fuel pump assembly

Fuel level sensor unit

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Guideline

: Draw approximately 10 liters (2-1/4 Imp gal) from a full-tank condition.

: Fuel feed tube

: Fuel return tube

: Fuel level sensor unit, fuel filter and fuel pump assembly

: Vehicle front

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FUEL LEVEL SENSOR UNIT, FUEL FILTER AND FUEL PUMP ASSEMBLY

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• Hold the sides of connector, push in tabs

and pull out fuel

feed tube.

• If quick connector sticks to tube of fuel level sensor unit, fuel

filter and fuel pump assembly, push and pull quick connector
several times until they start to move. Then disconnect them
by pulling.

CAUTION:

• Quick connector

can be disconnected when the tabs

are completely depressed. Never twist it more than neces-
sary.

• Never use any tools to disconnected quick connector.
• Keep resin tube

away from heat. Be especially careful

when welding near the resin tube.

• Prevent acid liquid such as battery electrolyte, etc. from

getting on resin tube.

• Never bend or twist resin tube during installation and dis-

connection.

• Never remove the remaining retainer

on hard tube (or

the equivalent)

except when resin tube or retainer is

replaced.

• When resin tube or hard tube (or the equivalent) is

replaced, also replace retainer with new one.

• To keep the connecting portion clean and to avoid dam-

age and foreign materials, cover them completely with
plastic bags

) or something similar.

8.

Remove lock ring according to the following instructions:

: Pull

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: Connection (cross-section)

: To under floor fuel line

: To fuel tank

: Disconnection

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< REMOVAL AND INSTALLATION >

[DIESEL ENGINE MODEL]

FUEL LEVEL SENSOR UNIT, FUEL FILTER AND FUEL PUMP ASSEMBLY

a.

Install pawl (B) of unified fuel lock ring wrench [SST:
KV101207S0] (A) to the position shown in the figure.

b.

Temporarily tighten mounting bolt (B) of the pawl according to
the measurement (R) from the center of unified fuel lock ring
wrench [SST: KV101207S0] (A) to the end of pawl (C).

c.

Set unified fuel lock ring wrench [SST: KV101207S0] (A) to lock ring and tighten the mounting bolt of the
pawl.

d.

Remove lock ring.

CAUTION:

• To prevent lock ring wrench from being detached,

securely hold down spinner handle (B) by hand.

• To reduce impact caused by removal operation, use long

spinner handle [handle length: 60 cm (23.62 in) or more]
and slowly turn it counterclockwise.

9.

Raise fuel level sensor unit, fuel filter and fuel pump assembly.

CAUTION:

• Never bend float arm during removal.
• Never pollute the inside by residue fuel. Draw out avoiding inclination by supporting with a

cloth.

• Never cause impacts such by dropping when handling components.

10. Separate fuel tube as per the following steps to remove fuel level sensor unit, fuel filter and fuel pump

assembly.
• Pinch quick connector

square-part with your fingers, and

pull out the quick connector by hand.

• If quick connector and tube on sender unit are stuck, push

several times until they move, and pull out.
NOTE:
When separating the fuel tube, tie a gasoline-resistance rope
to the tip of the fuel tube and leave the rope on the fuel tank
side to easily pull the fuel tube for installation.

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R

: 82 mm (3.23 in)

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