Nissan Qashqai J11. Manual — part 572
FUEL FILTER
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FUEL FILTER
Exploded View
INFOID:0000000010428755
for symbol marks in the figure.
Removal and Installation
INFOID:0000000010428756
REMOVAL
1.
Remove fuel protector.
2.
Disconnect quick connectors, and remove fuel hoses.
CAUTION:
Never splash fuel during removal. If fuel is splashed, immediately wipe it off.
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
E1BIA1184GB
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FUEL FILTER
Water Draining
INFOID:0000000010428757
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:0000000010428758
1.
Degassing from the diesel circuit is automatic.
Fuel Filter Sensor (With Fuel Filter Warning)
INFOID:0000000010428759
• Drain water from fuel filter, when the fuel filter warning lamp turns
ON. Refer to
.
Inspection
INFOID:0000000010428760
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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PBIC2664E
FUEL LEVEL SENSOR UNIT, FUEL FILTER AND FUEL PUMP ASSEMBLY
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REMOVAL AND INSTALLATION
FUEL LEVEL SENSOR UNIT, FUEL FILTER AND FUEL PUMP ASSEMBLY
Exploded View
INFOID:0000000010419005
for symbol marks in the figure.
Removal and Installation
INFOID:0000000010430536
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.
4.
Open fuel filler lid and filler cap to release the pressure inside fuel tank.
1.
Lock ring
2.
Fuel level sensor unit, fuel filter and fuel pump
assembly
3.
O-ring
4.
Fuel tank
E1BIA1131GB
Guideline
: Draw approximately 27 liters (6 Imp gal) from a full-tank con-
dition.
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FUEL LEVEL SENSOR UNIT, FUEL FILTER AND FUEL PUMP ASSEMBLY
5.
Remove rear seat. Refer to
SE-35, "Removal and Installation"
6.
Remove inspection hole cover.
7.
Disconnect harness connector and fuel feed tube.
NOTE:
Make sure that identification between the feed line and return
line is made to enable correct assembly during installation.
• 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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