Nissan Pathfinder (2005 year). Instruction — part 262
FL-1
FUEL SYSTEM
B ENGINE
CONTENTS
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SECTION
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FL
2005 Pathfinder
PREPARATION . . . . . . . . . . . . . . ... 2
Special Service Tools . . . . . . . . . . . ... 2
Commercial Service Tool . . . . . . . . . . . 2
FUEL SYSTEM . . . . . . . . . . . . . . ... 3
Checking Fuel Lines . . . . . . . . . . . . . 3
General Precautions . . . . . . . . . . . . 3
FUEL LEVEL SENSOR UNIT, FUEL FILTER AND
FUEL PUMP ASSEMBLY . . . . . . . . . . ... 5
Removal and Installation . . . . . . . . . . .. 5
FUEL TANK . . . . . . . . . . . . . . . .. 10
Removal and Installation . . . . . . . . . . 10
FL-2
PREPARATION
2005 Pathfinder
PREPARATION
PFP:00002
Special Service Tools
EBS00KAS
The actual shapes of the Kent-Moore tools may differ from those of the special tools illustrated here.
Commercial Service Tool
EBS00KAT
Tool number
(Kent-Moore No.)
Tool name
Description
—
(J-45722)
130 mm lock ring tool
Removing and installing fuel tank lock ring
LBIA0398E
Tool name
Description
Power tool
Loosening bolts and nuts
PBIC0190E
FUEL SYSTEM
FL-3
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2005 Pathfinder
FUEL SYSTEM
PFP:17503
Checking Fuel Lines
EBS00KAU
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.
General Precautions
EBS00KAV
WARNING:
When replacing fuel line parts, be sure to observe the following.
●
Put a “CAUTION: FLAMMABLE” sign in the workshop.
●
Be sure to work in a well ventilated area and furnish the workshop with a CO
2
fire extinguisher.
●
Do not smoke while servicing the fuel system. Keep open flames and sparks away from the work
area.
CAUTION:
●
Use gasoline required by the regulations for the octane rating number. Refer to
for Fuel (Unleaded Regular Gasoline Recommended)"
.
●
Before removing fuel line parts, carry out the following procedures:
–
Put drained fuel in an explosion-proof container and put the lid on securely. Keep the container in
safe area.
–
Release fuel pressure from the fuel lines. Refer to
EC-91, "FUEL PRESSURE RELEASE"
.
–
Disconnect the battery negative terminal.
●
Always replace O-rings and clamps with new ones.
●
Do not kink or twist hoses when they are being installed.
●
Do not tighten hose clamps excessively to avoid damaging hoses.
●
Tighten high-pressure rubber hose clamp so that clamp end is 3 mm (0.12 in) from hose end.
●
Ensure that clamp screw does not contact adjacent parts.
SMA803A
FL-4
FUEL SYSTEM
2005 Pathfinder
●
After connecting the fuel tube quick connectors, make sure
the quick connectors are secure.
Ensure that the connector and resin tube do not contact
any adjacent parts.
●
After installing tubes, make sure there is no fuel leakage at
connections in the following steps.
–
Apply fuel pressure to fuel lines with turning ignition switch
ON (with engine stopped). Then check for fuel leaks at con-
nections.
–
Start the engine and rev it up and check for fuel leaks at
connections.
●
Use only a Genuine NISSAN fuel filler cap as a replacement.
If an incorrect fuel filler cap is used, the MIL may come on.
●
For servicing “Evaporative Emission System” parts, refer to
EC-33, "EVAPORATIVE EMISSION SYSTEM"
.
●
For
servicing
“On
Board
Refueling
Vapor
Recovery
(ORVR)” parts, refer to
.
PBIC1268E
FUEL LEVEL SENSOR UNIT, FUEL FILTER AND FUEL PUMP ASSEMBLY
FL-5
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FL
2005 Pathfinder
FUEL LEVEL SENSOR UNIT, FUEL FILTER AND FUEL PUMP ASSEMBLY
PFP:17042
Removal and Installation
EBS00M47
1.
Lock ring
2.
Fuel level sensor, fuel filter, and fuel
pump assembly
3.
Fuel level sensor, fuel filter, and fuel
pump assembly O-ring
4.
EVAP hose
5.
Fuel tank
6.
Fuel tank straps
7.
Fuel tank shield
8.
Lower fuel filler hose
9.
Fuel filler pipe and vent pipe
WBIA0631E
FL-6
FUEL LEVEL SENSOR UNIT, FUEL FILTER AND FUEL PUMP ASSEMBLY
2005 Pathfinder
REMOVAL
WARNING:
Follow the “General Precautions” before working on the fuel system. Refer to
.
1.
Remove the fuel filler cap to release the pressure from inside the fuel tank.
2.
Remove the LH rear wheel and tire. Refer to
.
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.
NOTE:
Fuel will be spilled when removing the fuel level sensor, fuel fil-
ter, and fuel pump assembly for the fuel level is above the fuel
level sensor, fuel filter, and fuel pump assembly fuel tank open-
ing.
●
As a guide, the fuel level reaches the fuel gauge position as
shown, or less, when approximately 15
(4 US gal, 3 1/4 Imp
gal) of fuel are drained from the fuel tank.
●
If the fuel pump does not operate, use the following procedure to drain the fuel to the specified level.
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.
Remove the fuel filler pipe shield.
c.
Disconnect the fuel filler hose from the fuel filler pipe.
d.
Insert a suitable hose into the fuel tank through the fuel filler hose to drain the fuel from the fuel tank.
4.
Release the fuel pressure from the fuel lines. Refer to
EC-91, "FUEL PRESSURE RELEASE"
.
5.
Disconnect the battery negative terminal.
6.
Disconnect the lower fuel filler hose from the fuel tank, the EVAP hose, and the vent pipe quick connector.
●
Disconnect the fuel feed hose from the molded clip in the side of the fuel tank.
Disconnect the quick connector as follows:
●
Hold the sides of the connector, push in the tabs and pull out the tube.
●
If the connector and the tube are stuck together, push and pull several times until they start to move.
Then disconnect them by pulling.
10. Vent hose
11.
Upper fuel filler hose
12. Fuel filler pipe and cup
13. Fuel filler hose grommet
14.
Fuel filler cap
WBIA0390E
FUEL LEVEL SENSOR UNIT, FUEL FILTER AND FUEL PUMP ASSEMBLY
FL-7
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2005 Pathfinder
CAUTION:
●
The quick connector can be disconnected when the tabs
are completely depressed. Do not twist the quick connec-
tor more than necessary.
●
Do not use any tools to disconnect the quick connector.
●
Keep the resin tube away from heat. Be especially careful
when welding near the tube.
●
Prevent any acid liquids such as battery electrolyte, from
getting on the resin tube.
●
Do not bend or twist the resin tube during connection.
●
Do not remove the remaining retainer on the hard tube (or
the equivalent) except when the resin tube or the retainer
is replaced.
●
When the resin tube or hard tube, or the equivalent, is
replaced, also replace the retainer with a new one (semi-
transparent colored retainer).
●
To keep the quick connector clean and to avoid damage
and contamination from foreign materials, cover the
quick connector with plastic bags or suitable material as
shown.
7.
Remove the four bolts and remove the fuel tank shield.
8.
Remove the propeller shaft. Refer to
.
9.
Support the fuel tank using a suitable lift jack.
10. Remove the three fuel tank strap bolts while supporting the fuel
tank with a suitable lift jack.
11. Remove the fuel tank straps and slowly lower the fuel tank to access the top of the fuel level sensor, fuel
filter and fuel pump assembly.
CAUTION:
Do not lower the fuel tank too far to prevent damage to the fuel feed hose and the fuel level sensor,
fuel filter and fuel pump assembly connector
PBIC1268E
PBIC0163E
LBIA0413E
FL-8
FUEL LEVEL SENSOR UNIT, FUEL FILTER AND FUEL PUMP ASSEMBLY
2005 Pathfinder
12. Disconnect the fuel level sensor, fuel filter, and fuel pump
assembly electrical connector, and the fuel feed hose.
Disconnect the quick connector as follows:
●
Hold the sides of the connector, push in the tabs and pull out
the tube.
●
If the connector and the tube are stuck together, push and pull
several times until they start to move. Then disconnect them
by pulling.
CAUTION:
●
The quick connector can be disconnected when the tabs
are completely depressed. Do not twist the quick connec-
tor more than necessary.
●
Do not use any tools to disconnect the quick connector.
●
Keep the resin tube away from heat. Be especially careful
when welding near the tube.
●
Prevent any acid liquids such as battery electrolyte, from
getting on the resin tube.
●
Do not bend or twist the resin tube during connection.
●
Do not remove the remaining retainer on the hard tube (or
the equivalent) except when the resin tube or the retainer
is replaced.
●
When the resin tube or hard tube, or the equivalent, is
replaced, also replace the retainer with a new one (semi-
transparent colored retainer).
LBIA0412E
SFE562A
PBIC1268E
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