Infiniti G37 Coupe. Manual - part 711

FUEL LEVEL SENSOR UNIT, FUEL FILTER AND FUEL PUMP ASSEMBLY

FL-9

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Use the following procedure to check for fuel leaks.

1.

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

2.

Start engine and let it idle and check there are no fuel leaks at the fuel system connections.

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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 

GI-25, "General Pre-

cautions"

.

REMOVAL

• Drain fuel from fuel tank if necessary. Refer to 

FL-10, "Exploded View"

.

• 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"

.

3.

Remove propeller shaft. Refer to 

DLN-7, "Exploded View"

 (M/T models) or 

DLN-14, "Exploded View"

 (A/T

models).

4.

Remove parking rear brake cables. Refer to 

PB-8, "LEVER TYPE : Exploded View"

.

5.

Remove rear suspension assembly. Refer to 

RSU-23, "Exploded View"

.

1.

Fuel filler cap

2.

Grommet

3.

Fuel filler tube

4.

Clamp

5.

Vent hose

6.

Vent tube

7.

Vent hose

8.

EVAP hose

9.

Clamp

10. Clamp

11.

Fuel filler hose

12. Fuel tank mounting band

13. Fuel tank protector

14.

Insulator

15. Fuel tank

Refer to 

GI-4, "Components"

 for to symbols in the figure.

JPBIA0155GB

FUEL TANK

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6.

Remove fuel tank protector.

7.

Disconnect fuel filler hose (1), vent hose (2) and EVAP hoses (3)
at fuel tank side.

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, as 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 until the mark is on the

bolt head flange “A”.

• To connect quick connector, refer to 

FL-4, "Quick Connector"

.

Inspection

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INSPECTION AFTER INSTALLATION

Use the following procedure to check for fuel leaks.

4

: Fuel tank protector

: Vehicle front

JPBIA0144ZZ

JPBIA0145ZZ

Fuel filler hose 

: 35 mm (1.38 in)

The other hoses

: 25 mm (0.98 in)

JPBIA0146ZZ

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FUEL TANK

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 leaks at the fuel system tube and hose connections.

• After removing/installing rear suspension assembly, check to adjust wheel alignment and then, adjust neutral

position of steering angle sensor. Refer to 

RSU-6, "Wheel Alignment Inspection"

 and 

STC-27, "4WAS

FRONT ACTUATOR NEUTRAL POSITION ADJUSTMENT : Description"

.