2004 INFINITI QX56 Factory Service Manual

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Page 2049 of 3371

INFINITI QX56 2004 Factory Service Manual FL-4Revision: August 2007
FUEL SYSTEM
2004 QX56
After connecting the fuel tube quick connectors, make sure
the quick connectors are secure.
Ensure that the connector and resin tube do not contact
any

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INFINITI QX56 2004 Factory Service Manual FUEL LEVEL SENSOR UNIT, FUEL FILTER AND FUEL PUMP ASSEMBLY
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FUEL LEVEL SENSOR UNIT, FUEL FILTER AND FUEL PUMP ASSEMBLYPFP:17042
Removal and

Page 2051 of 3371

INFINITI QX56 2004 Factory Service Manual FL-6Revision: August 2007
FUEL LEVEL SENSOR UNIT, FUEL FILTER AND FUEL PUMP ASSEMBLY
2004 QX56
d. Disconnect the fuel filler hose from the fuel filler pipe.
e. Insert a suitable hose into the fuel tan

Page 2052 of 3371

INFINITI QX56 2004 Factory Service Manual FUEL LEVEL SENSOR UNIT, FUEL FILTER AND FUEL PUMP ASSEMBLY
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Disconnect the quick connector as follows:
Hold the sides of the connector, pu

Page 2053 of 3371

INFINITI QX56 2004 Factory Service Manual FL-8Revision: August 2007
FUEL LEVEL SENSOR UNIT, FUEL FILTER AND FUEL PUMP ASSEMBLY
2004 QX56
11. Remove the lock ring using Tool.
12. Remove the fuel level sensor, fuel filter, and fuel pump assem-

Page 2054 of 3371

INFINITI QX56 2004 Factory Service Manual FUEL TANK
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FUEL TANKPFP:17202
Removal and InstallationEBS00IKQ
1. Inspection hole cover 2. Inspection hole cover O-ring 3. Lock ring
4. Fue

Page 2055 of 3371

INFINITI QX56 2004 Factory Service Manual FL-10Revision: August 2007
FUEL TANK
2004 QX56
REMOVAL
WAR NIN G:
Follow the “General Precautions” before working on the fuel system. Refer to FL-3, "
General Precau-
tions" .
1. Drain the fuel f

FL-10Revision: August 2007
FUEL TANK
2004 QX56
REMOVAL
WAR NIN G:
Follow the “General Precautions” before working on the fuel system. Refer to FL-3, "
General Precau-
tions" .
1. Drain the fuel from the fuel tank, if necessary.
Position the vehicle so it is level.
2. Remove the fuel filler cap to release the pressure from inside the fuel tank.
3. Check the fuel level on level gauge. If the fuel gauge indicates
more than the level as shown (full or almost full), drain the fuel
from the fuel tank until the fuel gauge indicates the level as
shown, or less.
If the fuel pump does not operate, use the following procedure
to drain the fuel to the specified level after disconnecting the
fuel filler hose from the fuel filler pipe.
a. Insert a suitable hose of less than 15 mm (0.59 in) diameter into
the fuel filler pipe through the fuel filler opening to drain the fuel
from fuel filler pipe.
b. Insert a suitable hose into the fuel tank through the fuel filler
hose to drain the fuel from the fuel tank.
As a guide, the fuel level reaches the fuel gauge position as shown, or less, when approximately 14
liters (3 3/4 US gal, 3 1/8 Imp gal) of fuel are drained from the fuel tank.
4. Remove the LH rear wheel and tire. Refer to WT-6, "
Rotation" .
5. Remove the four clips and remove the rear fender protector, front.
6. Disconnect the fuel filler hose from the fuel filler pipe and dis-
connect the vent hose quick connector.
7. Release the fuel pressure from the fuel lines. Refer to EC-46, "
FUEL PRESSURE RELEASE" .
8. Remove the second row LH rear seat and the third row rear seat. Refer to SE-103, "
REAR SEAT" .
9. Remove the second and third row rear seat belt buckles mounted on the floor. Refer to SB-3, "
SEAT
BELTS" .
10. Remove the LH center pillar trim, the LH rear trim panel, and the LH rear side door kick plate and weather
stripping. Refer to EI-34, "
BODY SIDE TRIM" .
11. Remove the second row rear center console and base. Refer to EI-36, "
FLOOR TRIM" .
12. Reposition the floor carpet out of the way to access the inspection hole cover, located under the center LH
rear seat.
10. Fuel filler hose 11. Fuel filler pipe 12. Fuel filler cup
13. Fuel filler hose grommet 14. Fuel filler cap 15. Fuel tank shield
WBIA0390E
LBIA0386E

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INFINITI QX56 2004 Factory Service Manual FUEL TANK
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13. Remove the inspection hole cover by turning the retainers 90°
degrees clockwise.
Remove the O-ring.
14. Disconnect the fu

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