Nissan Qashqai J11. Manual — part 575
FUEL SYSTEM
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PERIODIC MAINTENANCE
FUEL SYSTEM
Inspection
INFOID:0000000010419012
Inspect fuel lines, fuel filler cap and fuel tank for improper attach-
ment, leakage, cracks, damage, loose connections, chafing or dete-
rioration.
If necessary, repair or replace damaged parts.
Quick Connector
INFOID:0000000010419013
CAUTION:
• After connecting fuel tube quick connectors, check that quick connectors are secure.
• Ensure that connector and resin tube never contact any adjacent parts.
A
: Engine
B
: Fuel line
C
: Fuel tank
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FUEL FILTER
FUEL FILTER
Exploded View
INFOID:0000000010419014
for symbol marks in the figure.
Removal and Installation
INFOID:0000000010419015
REMOVAL
1.
Disconnect quick connectors, and remove fuel hoses.
CAUTION:
Never splash fuel during removal. If fuel is splashed, immediately wipe it off.
2.
Remove fuel protector.
3.
Disconnect fuel filter connector.
4.
Remove fuel filter.
INSTALLATION
1.
Note the following, and install in the reverse order of removal.
• After installation, bleed air from fuel line. Refer to
CAUTION:
Never bend or twist the fuel tube during installation and removal.
1.
Fuel filter protector
2.
Fuel filter
3.
Fuel filter bracket
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FUEL FILTER
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Water Draining
INFOID:0000000010419016
1.
Connect drain hose (suitable hose) to the end of drain plug (A).
2.
Prepare a tray at the drain plug open end.
3.
Loosen drain plug, and operate priming bulb to drain water from
fuel filter.
CAUTION:
• Water in filter is drained with fuel. Prepare larger capacity
pan than fuel filter volume.
• Drained water is mixed with fuel. Prevent fuel from adher-
ing to rubber parts such as engine mounting insulator.
4.
After draining, close drain plug by hand.
CAUTION:
If drain plug is tightened excessively, it may be damaged
and fuel will leak. Never use tools to tighten drain plug.
5.
Bleed air in fuel piping. Refer to
6.
Start engine and check there is no fuel leakage.
Air Bleeding
INFOID:0000000010419017
1.
Degassing from the diesel circuit is automatic.
Fuel Filter Sensor (With Fuel Filter Warning)
INFOID:0000000010419018
• Drain water from fuel filter, when the fuel filter warning lamp turns
.
Inspection
INFOID:0000000010419019
INSPECTION AFTER INSTALLATION
Check that there is no fuel leakage at connections in the following steps.
• Start engine and rev it up and check that there is no fuel leakage at connections.
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FUEL LEVEL SENSOR UNIT
REMOVAL AND INSTALLATION
FUEL LEVEL SENSOR UNIT
2WD
2WD : Exploded View
INFOID:0000000010430539
for symbol marks in the figure.
2WD : Removal and Installation
INFOID:0000000010763739
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.
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