Infiniti FX35, FX50 (S51). Manual - part 1085

 

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Infiniti FX35, FX50 (S51). Manual - part 1085

 

 

FL-2

< PRECAUTION >

PRECAUTIONS

PRECAUTION

PRECAUTIONS

General Precautions

INFOID:0000000005249018

WARNING:

When replacing fuel line parts, be sure to observe the following.
• Put a “CAUTION: FLAMMABLE” sign in the workshop.
• Be sure to work in a well ventilated area and furnish workshop with a CO

2

 fire extinguisher. 

• Never smoke while servicing fuel system. Keep open flames and sparks away from the work area.

CAUTION:

• Use gasoline required by the regulations for octane number. Refer to 

GI-26, "Fuel"

.

• Before removing fuel line parts, perform out the following procedures:
- Put drained fuel in an explosion-proof container and put the lid on securely. Keep the container in

safe area.

- Release fuel pressure from the fuel lines. Refer to 

EC-566, "Inspection"

 (VO35HR) or 

EC-1236,

"Inspection"

 (VK50VE).

- Disconnect the battery cable from the negative terminal. 
• Always replace O-rings with new ones.
• Never kink or twist tubes when they are being installed.
• Never tighten hose clamps excessively to avoid damaging hoses. 
• After installing tubes, check there is no fuel leakage at connections in the following steps.
- Apply fuel pressure to fuel lines with turning ignition switch “ON” (with engine stopped). Then check

for fuel leakage at connections.

- Start engine and rev it up and check for fuel leakage at connections.
• Use only a genuine NISSAN fuel filler cap as a replacement. If an incorrect fuel filler cap is used, the

“MIL” may come on.

• For servicing “Evaporative Emission System” parts, refer to 

EC-84, "System Diagram"

 (VQ35HR) or

EC-653, "System Diagram"

 (VK50VE).

• For servicing “On Board Refueling Vapor Recovery (ORVR)” parts, refer to 

EC-487, "Description"

(VQ35HR) or 

EC-1121, "Description"

 (VK50VE).

PREPARATION

FL-3

< PREPARATION >

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PREPARATION

PREPARATION

Commercial Service Tools

INFOID:0000000005249019

Tool name

Description

Power tool

Loosening bolts and nuts

PBIC0190E

FL-4

< PERIODIC MAINTENANCE >

FUEL SYSTEM

PERIODIC MAINTENANCE

FUEL SYSTEM

Inspection

INFOID:0000000005249020

• Inspect fuel lines, fuel filler cap and fuel tank for improper attach-

ment, leakage, cracks, damage, loose connections, chafing or
deterioration.

• If necessary, repair or replace damaged parts.

Quick Connector

INFOID:0000000005249021

CAUTION:

• After connecting fuel tube quick connectors, check quick con-

nectors are secure.

• Ensure that connector and resin tube never contact any adja-

cent parts.

A

: Engine

B

: Fuel line

C

:  Fuel  tank

JPBIA0129ZZ

1

: Quick connector

2

:  Retainer

A

: Hard tube (or the equivalent)

B

: Connection (cross-section)

C

: Resin tube

D

: To under floor fuel line

E

: To fuel tank

F

:  Tab

G

: Disconnection

JPBIA0130ZZ

FUEL LEVEL SENSOR UNIT, FUEL FILTER AND FUEL PUMP ASSEMBLY

FL-5

< REMOVAL AND INSTALLATION >

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REMOVAL AND INSTALLATION

FUEL LEVEL SENSOR UNIT, FUEL FILTER AND FUEL PUMP ASSEMBLY

Exploded View

INFOID:0000000005249022

Removal and Installation

INFOID:0000000005249023

WARNING:

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

FL-2, "General Precautions"

.

REMOVAL

1.

Check fuel level on fuel gauge. If fuel gauge indicates more than
the level as shown in the figure (full or almost full), drain fuel
from fuel tank until fuel gauge indicates level as shown in the fig-
ure or below.
NOTE:
Because fuel will be spilled when removing main and sub fuel
level sensor units for the top of the fuel is above the main and
sub fuel level sensor units installation surface. 
• As a guide, fuel level becomes the position as shown in the

figure or below when approximately 20   (5-1/4 US gal, 4-3/8
Imp gal) of fuel are drained from fuel tank. 

• In a case that fuel pump does not operate, perform the follow-

ing procedure.

1.

Retainer

2.

Main fuel level sensor unit, fuel filter 
and fuel pump assembly

3.

O-ring

4.

Sub fuel level sensor unit

A.

Right side

B.

Left side

Refer to 

GI-4, "Components"

 for symbols in the figure.

JPBIA2323GB

JPBIA0131ZZ

 

 

 

 

 

 

 

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