Nissan Qashqai J11. Manual — part 565
FUEL SYSTEM
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< PERIODIC MAINTENANCE >
[HRA2DDT]
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PERIODIC MAINTENANCE
FUEL SYSTEM
Inspection
INFOID:0000000010418977
Inspect fuel lines, fuel filler cap and fuel tank for improper attach-
ment, leaks, cracks, damage, loose connections, chafing or deterio-
ration.
If necessary, repair or replace damaged parts.
Quick Connector
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CAUTION:
• After connecting fuel tube quick connectors, make sure quick connectors are secure.
• Ensure that connector and resin tube do not contact any adjacent parts.
A
: Engine
B
: Fuel line
C
: Fuel tank
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< REMOVAL AND INSTALLATION >
[HRA2DDT]
FUEL LEVEL SENSOR UNIT, FUEL FILTER AND FUEL PUMP ASSEMBLY
REMOVAL AND INSTALLATION
FUEL LEVEL SENSOR UNIT, FUEL FILTER AND FUEL PUMP ASSEMBLY
Exploded View
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Removal and Installation
for symbol marks in the figure.
Removal and Installation
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WARNING:
Read “General Precautions” when working on the fuel system. Refer to
REMOVAL
1.
Release the fuel pressure from the fuel lines. Refer to
2.
Check fuel level on a level ground. If the fuel level is at 1/2 or higher, drain enough fuel so that the level on
the fuel gauge is at half or below.
• This is to prevent overflow of fuel from the tank when the fuel level sensor unit, fuel filter and fuel pump
assembly is removed
• In the event of malfunction in fuel pump, insert a hose measuring less than 20mm (0.79 in) in diameter
into fuel filler tube through fuel filler opening to draw fuel from filler tube.
- Disconnect fuel filler hose from fuel filler tube. Refer to
- Insert hose into fuel tank through fuel filler hose to draw fuel from fuel tank.
3.
Disconnect batterie cable from negative terminal.
1.
Lock ring
2.
Fuel level sensor unit, fuel filter and fuel pump
assembly
3.
O-ring
4.
Fuel tank
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Guideline
: Draw approximately 27 liters (6 Imp gal) from a full-tank con-
dition.
FUEL LEVEL SENSOR UNIT, FUEL FILTER AND FUEL PUMP ASSEMBLY
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4.
Open fuel filler lid and filler cap to release the pressure inside fuel tank.
5.
Remove rear seat. Refer to
SE-35, "Removal and Installation"
6.
Remove inspection hole cover.
7.
Disconnect harness connector and fuel feed tube.
• Remove quick connector in the following procedures.
- NOTE:
• The figure show the process of quick connector disconnection. Parts arround quick connector could
have a different shape compare to the figure.
- Hold the sides of quick connector, press tabs and pull out fuel
feed tube.
- If quick connector sticks to tube of main fuel level sensor unit,
push and pull quick connectors several times until they start to
move. Then disconnect them by pulling.
CAUTION:
• Quick connector can be disconnected when the tabs are
depressed completely. Never twist it more than neces-
sary.
• Never use any tools to disconnected quick connector.
• Keep resin tube away from heat. Be especially careful
when welding near the resin tube.
• Prevent acid liquid such as battery electrolyte, etc. from
getting on resin tube.
• Never bend or twist resin tube during installation and dis-
connection.
• Never insert plug, preventing damage to O–ring in quick
connector.
• To keep the connecting portion clean and to avoid dam-
age and foreign materials, cover them completely with
plastic bags or something similar.
1
: Harness connector
2
: Quick connector
3
: Fuel level sensor unit, fuel filter and fuel pump assembly
4
: Lock ring
: Vehicle front
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A
: Push in tabs
B
: Pull
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A
: Connection (cross-section)
B
: Disconnection (cross-section)
C
: Quick connector
D
: Hard tube
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FL-8
< REMOVAL AND INSTALLATION >
[HRA2DDT]
FUEL LEVEL SENSOR UNIT, FUEL FILTER AND FUEL PUMP ASSEMBLY
8.
Use lock ring wrench [SST: KV101207S0] (A) to remove lock
ring.
CAUTION:
• To prevent lock ring wrench from being detached,
securely hold down spinner handle (B) by hand.
• To reduce impact caused by removal operation, use long
spinner handle [handle length: 60 cm (23.62 in) or more]
and slowly turn it counterclockwise.
9.
Remove fuel level sensor unit, fuel filter and fuel pump assembly
(1).
CAUTION:
• Never bend float arm (2) during removal.
• Never pollute the residual fuel inside of the tank. Draw out
avoiding inclination by supporting with a cloth.
• Never cause impacts such by dropping when handling
components.
INSTALLATION
Note to the following, and install in the reverse order of removal.
Fuel Level Sensor Unit
1.
Install new O-ring to fuel tank without any twist.
2.
Install the fuel gauge on the fuel tank with the fuel gauge top sur-
face (A) faced the front of the vehicle.
CAUTION:
• Never allow O-ring to drop.
• Never bend float arm during installing.
3.
Install lock ring for fuel level sensor unit, fuel filter and fuel pump assembly with lock ring wrench [SST:
KV101207S0] by turning clockwise.
CAUTION:
• Install lock ring horizontally.
• Turn the lock ring (A) until it is engaged in the fuel tank
side (B) as shown in the figure.
Quick Connector
• Connect quick connector as follows:
1.
Check the connection for damage or any foreign materials.
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: Vehicle front
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