2008 INFINITI QX56 Factory Service Manual

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Page 2105 of 4083

INFINITI QX56 2008 Factory Service Manual PREPARATIONFL-5
< PREPARATION >
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PREPARATION
PREPARATION
Special Service ToolINFOID:0000000001534425
The actual shapes of the Kent-Moore
tools may differ from those of t

Page 2106 of 4083

INFINITI QX56 2008 Factory Service Manual FL-6
< BASIC INSPECTION >
FUEL SYSTEM
BASIC INSPECTION
FUEL SYSTEM
Checking Fuel LineINFOID:0000000001534429
Inspect fuel lines, fuel filler cap and fuel tank for improper attach-
ment, leaks, cracks,

Page 2107 of 4083

INFINITI QX56 2008 Factory Service Manual FUEL LEVEL SENSOR UNIT, FUEL FILTER AND FUEL PUMP ASSEMBLYFL-7
< REMOVAL AND INSTALLATION >
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REMOVAL AND INSTALLATION
FUEL LEVEL SENSOR UNIT, FUEL FI
LTER AND FUEL PUMP A

Page 2108 of 4083

INFINITI QX56 2008 Factory Service Manual FL-8
< REMOVAL AND INSTALLATION >
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

Page 2109 of 4083

INFINITI QX56 2008 Factory Service Manual FUEL LEVEL SENSOR UNIT, FUEL FILTER AND FUEL PUMP ASSEMBLYFL-9
< REMOVAL AND INSTALLATION >
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Disconnect the quick connector as follows:
• Hold the sides of the connecto

Page 2110 of 4083

INFINITI QX56 2008 Factory Service Manual FL-10
< REMOVAL AND INSTALLATION >
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-
b

Page 2111 of 4083

INFINITI QX56 2008 Factory Service Manual FUEL TANKFL-11
< REMOVAL AND INSTALLATION >
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FUEL TANK
Removal and InstallationINFOID:0000000004900807
1. Inspection hole cover
2. Inspection hole cover O-ring 3. Lock ri

Page 2112 of 4083

INFINITI QX56 2008 Factory Service Manual FL-12
< REMOVAL AND INSTALLATION >
FUEL TANK
REMOVAL
WARNING:
Follow the “General Precautions” before working on the fuel system. Refer to FL-4, "
General Precau-
tion" .
1. Drain the fuel from th

FL-12
< REMOVAL AND INSTALLATION >
FUEL TANK
REMOVAL
WARNING:
Follow the “General Precautions” before working on the fuel system. Refer to FL-4, "
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-48, "
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-494, "
Fuel Pressure Check" .
8. Disconnect the battery negative terminal.
9. Remove the second row seat and the third row LH seat. Refer to SE-54, "
Removal and Installation" (sec-
ond row), SE-62, "
LH Side Seat" (third row).
10. Remove the second and third row rear seat belt buckles mounted on the floor. Refer to SB-7, "
Removal
and Installation of Second Row Seat Belt", SB-9, "Removal and Installation of Third Row Seat Belt".
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 INT-14, "
Removal and Installation" .
12. Remove the second row rear center console and base. Refer to IP-21, "
Removal and Installation" .
13. Reposition the floor carpet out of the way to access the inspection hole cover, located under the center LH
rear seat.
13. Fuel filler hose grommet 14. Fuel filler cap 15. Fuel tank shield
16. Clip 17. Fuel filler pipe shield
WBIA0390E
LBIA0386E
Revision: March 2010 2008 QX56

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