Infiniti F50. Manual - part 562

FUEL LEVEL SENSOR UNIT, FUEL FILTER AND FUEL PUMP ASSEMBLY

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6.

Remove fuel return hose.

7.

Remove pressure regulator mounting bolts as shown.

8.

Disconnect pressure regulator housing from fuel level sensor
unit.

9.

Remove clip and disassemble pressure regulator.

PBIC1156E

PBIC1157E

PBIC1158E

PBIC1159E

FL-8

FUEL LEVEL SENSOR UNIT, FUEL FILTER AND FUEL PUMP ASSEMBLY

ASSEMBLY

Install in the reverse order of removal paying attention to the following.

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Install the pressure regulator as follows:

1.

Install the clip to the groove of the pressure regulator.

2.

Insert the pressure regulator to the pressure regulator housing
until hole of clip aligns with protrusion on pressure regulator
housing.

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Install the clamps of each hose, avoiding interference with
bulges.

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Securely connect the harness connector of the fuel pump.

●

Install pump support rubber between fuel pump and fuel level
sensor unit without looseness.

PBIC1160E

FUEL TANK

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FUEL TANK

PFP:17202

Removal and Installation

EBS001KT

REMOVAL

WARNING:

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

FL-2, "General Precau-

tions"

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1.

Follow step 1 to 6 in 

FL-3, "REMOVAL"

  and remove EVAP tubes from fuel tank.

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Put mating marks on tubes and connectors for correct instal-
lation.

2.

Check the amount of fuel, and drain some if necessary.

3.

Remove fuel tubes and EVAP tubes from two clamps securing
pipings on fuel tank.

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Put mating marks on tubes and clamps for correct installation.

4.

Remove the trunk right finisher.

5.

Remove drain hose from fuel filler neck cover reaching from
inside trunk.

PBIC0961E

1.

Mounting band

2.

Fuel tank

3.

O-ring

4.

Filler tube

5.

Drain hose

6.

Fuel filler neck cover

7.

Cap

PBIC0962E

FL-10

FUEL TANK

6.

Remove bolts for fixing fuel filler neck cover.

7.

Remove cover.

8.

Remove filer tube.

9.

Remove fuel tank band mounting bolts.

10. If the bottom of the fuel tank hard contacts to remove from the

trunk floor panel, insert a wood block or something similar to
separate them.

CAUTION:

Use a shop cloth or others like that to avoid deformation or
damage to the fuel tank and the trunk floor panel.

11. Pull the fuel tank backwards to remove.

INSTALLATION

●

Install in the reverse order of removal.

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Push the mounting band pin to the vehicle side securely.

●

Referring to the mating marks marked during removal, install the fuel tubes and the EVAP tubes and fix to
the clamps securely. 

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Before fixing the fuel tank, temporarily install the filler tube.

CAUTION:

Use genuine filler tube mounting bolts or equivalent. Make sure to tighten them to the specified
torque.

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To connect the quick connector, refer to Fuel Level Sensor Unit, Fuel Filter and Fuel Pump Assembly, 

FL-

3, "Removal and Installation"

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INSPECTION AFTER INSTALLATION

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After installing tubes, make sure there is no fuel leakage at connections in the following steps.

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1) Apply fuel pressure to fuel lines with turning ignition switch ON (with engine stopped). Then check for

fuel leaks at connections.

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2) Start the engine and rev it up and check for fuel leaks at connections.

PBIC0168E

PBIC0169E

PBIC1196E