Infiniti FX35, FX50 (S51). Manual - part 1087

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< REMOVAL AND INSTALLATION >

FUEL TANK

FUEL TANK

Exploded View

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Removal and Installation

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WARNING:

Be sure to read “General Precautions” when working on the fuel system. Refer to 

FL-2, "General Pre-

cautions"

.

REMOVAL

• Drain fuel from fuel tank if necessary. Refer to 

FL-5, "Removal and Installation"

.

• Perform work on level place.
1.

Perform steps 2 to 7 of “REMOVAL” in “ FUEL LEVEL SENSOR UNIT, FUEL FILTER AND FUEL PUMP
ASSEMBLY” on main and sub fuel level sensor units. Refer to 

FL-5, "Exploded View"

.

2.

Remove exhaust front tube, center muffler and main muffler. Refer to 

EX-5, "Exploded View"

 (VQ35HR) or

EX-10, "Exploded View"

 (VK50VE).

3.

Remove propeller shaft. Refer to 

DLN-118, "Exploded View"

 (3S80A-R), 

DLN-126, "Exploded View"

(3F80A-1VL107) or 

DLN-134, "Exploded View"

 (3F-R-2VL107).

4.

Remove parking rear brake cables. Refer to 

PB-5, "Exploded View"

.

1.

Fuel filler cap

2.

Grommet

3.

Fuel filler tube

4.

Clamp

5.

Fuel filler hose

6.

EVAP tube

7.

Clamp

8.

Vent hose

9.

Clamp

10. Fuel tank

11.

Fuel tank mounting band

12. Fuel tank protector

13. Insulator

Refer to 

GI-4, "Components"

 for symbols in the figure.

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FUEL TANK

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< REMOVAL AND INSTALLATION >

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5.

Remove rear suspension member assembly. Refer to 

RSU-20, "Exploded View"

.

NOTE:
For this service, drive shaft, final drive, and rear suspension member are required not to be separate one
another during removal.

6.

Disconnect fuel filler hose (1), EVAP tube (2) and vent hose (3).

• To disconnect quick connector, refer to 

FL-5, "Removal and

Installation"

.

7.

Remove fuel tank protector.

8.

Support the lower part of fuel tank (1) with transmission jack (A).

CAUTION:

Support the position that fuel tank mounting bands never
engage.

9.

Remove fuel tank mounting bands.

10. Supporting with hands, descend transmission jack carefully, and remove fuel tank.

CAUTION:

• Check that all connection points have been disconnected.
• Confirm there is no interference with vehicle.

11. Remove fuel filler tube, if necessary.

INSTALLATION

Note the following, and install in the reverse order of removal.
• Surely clamp fuel hoses and insert hose to the length below.

• Be sure hose clamp is not placed on swelled area of fuel tube.
• Tighten the clamp hand with the top mark (A) until the mark is on

the bolt head flange.

• To connect quick connector, refer to 

FL-5, "Removal and Installation"

.

4

: Fuel tank protector

: Vehicle front

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Fuel filler hose 

: 35 mm (1.38 in)

The other hoses

: 25 mm (0.98 in)

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< REMOVAL AND INSTALLATION >

FUEL TANK

Inspection

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INSPECTION AFTER INSTALLATION

Use the following procedure to check for fuel leakage.
1.

Turn ignition switch “ON” (with engine stopped), and check connections for leakage by applying fuel pres-
sure to fuel piping.

2.

Start engine and rev it up and check there are no fuel leakage at the fuel system tube and hose connec-
tions.

• After removing/installing rear suspension assembly, check to adjust wheel alignment.  Refer to 

RSU-6,

"Inspection"

.

FUEL LEVEL SENSOR UNIT, FUEL FILTER AND FUEL PUMP ASSEMBLY

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< UNIT DISASSEMBLY AND ASSEMBLY >

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UNIT DISASSEMBLY AND ASSEMBLY

FUEL LEVEL SENSOR UNIT, FUEL FILTER AND FUEL PUMP ASSEMBLY

Exploded View

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Disassembly

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CAUTION:

Sub fuel level sensor unit cannot be disassembled and should be replaced as a unit.
Remove main fuel level sensor unit as follows:
1.

Disconnect harness connector (A).

a.

Hold connector by fingers and push stopper release tab.

b.

Pull it out connector.

2.

Remove main fuel level sensor unit (1) from fuel filter and fuel
pump assembly (2) as follows:

a.

Push in tab (A) to release the lock.

b.

After fixing tabs are disengaged, slide main fuel level sensor unit
out in direction shown by the arrow (B).

CAUTION:

• Be careful not to damage the fuel level sensor unit.
• Never disassemble fuel filter and fuel pump assembly.

Assembly

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CAUTION:

Sub fuel level sensor unit cannot be disassembled and should be replaced as a unit.

1.

Fuel filter and fuel pump assembly

2.

Main fuel level sensor unit 

A.

Fuel temp sensor

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JPBIA2586ZZ

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