2007 INFINITI QX56 Factory Service Manual

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Page 1937 of 3061

INFINITI QX56 2007 Factory Service Manual FL-6
< SERVICE INFORMATION >
FUEL LEVEL SENSOR UNIT, FUEL FILTER AND FUEL PUMP ASSEMBLY
d. Disconnect the fuel filler hose from the fuel filler pipe.
e. Insert a suitable hose into the fuel tank throu

Page 1938 of 3061

INFINITI QX56 2007 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,

Page 1939 of 3061

INFINITI QX56 2007 Factory Service Manual FL-8
< SERVICE INFORMATION >
FUEL LEVEL SENSOR UNIT, FUEL FILTER AND FUEL PUMP ASSEMBLY
12. Remove the lock ring using Tool.
13. Remove the fuel level sensor, fuel filter, and fuel pump assem-
bly. Re

Page 1940 of 3061

INFINITI QX56 2007 Factory Service Manual FUEL LEVEL SENSOR UNIT, FUEL FILTER AND FUEL PUMP ASSEMBLY
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Disassembly and AssemblyINFOID:0000000003532206
Fuel Level Sender Unit
Disassemb

Page 1941 of 3061

INFINITI QX56 2007 Factory Service Manual FL-10
< SERVICE INFORMATION >
FUEL TANK
FUEL TANK
Removal and InstallationINFOID:0000000003532207
1. Inspection hole cover 2. Inspection hole cover O-ring 3. Lock ring
4. Fuel level sensor, fuel filte

Page 1942 of 3061

INFINITI QX56 2007 Factory Service Manual FUEL TANK
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REMOVAL
WARNING:
Follow the “General Precautions” before working on the fuel system. Refer to GI-3, "
General Precau-
tion"

FUEL TANK
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< SERVICE INFORMATION >
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REMOVAL
WARNING:
Follow the “General Precautions” before working on the fuel system. Refer to GI-3, "
General Precau-
tion" .
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-7, "
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-80, "
Fuel Pressure Check" .
8. Disconnect the battery negative terminal.
9. Remove the second row LH seat and the third row LH seat. Refer to SE-89, "
Removal and Installation"
(second row), SE-95, "LH Side Seat" (third row).
10. Remove the second and third row rear seat belt buckles mounted on the floor. Refer to SB-3
.
11. 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
.
12. Remove the second row rear center console and base. Refer to EI-36
.
13. Reposition the floor carpet out of the way to access the inspection hole cover, located under the center LH
rear seat.
14. Remove the inspection hole cover by turning the retainers 90°
degrees clockwise.
• Remove the O-ring.
WBIA0390E
LBIA0386E
LBIA0382E

Page 1943 of 3061

INFINITI QX56 2007 Factory Service Manual FL-12
< SERVICE INFORMATION >
FUEL TANK
15. Disconnect the fuel level sensor, fuel filter, and fuel pump
assembly electrical connector, the EVAP hose, and the fuel feed
hose.
Disconnect the quick conn

Page 1944 of 3061

INFINITI QX56 2007 Factory Service Manual FUEL TANK
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• To keep the quick connector clean and to avoid damage
and contamination from foreign materials, cover the quick
connector wi

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