Nissan Pathfinder (2012 year). Manual - part 387

 

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Nissan Pathfinder (2012 year). Manual - part 387

 

 

FUEL SYSTEM

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< PERIODIC MAINTENANCE >

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PERIODIC MAINTENANCE

FUEL SYSTEM

Checking Fuel Line

INFOID:0000000007358883

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.

SMA803A

August 2012

2012 Pathfinder

FL-6

< REMOVAL AND INSTALLATION >

FUEL TANK

REMOVAL AND INSTALLATION

FUEL TANK

Removal and Installation

INFOID:0000000007358884

1.

Lock ring

2.

Fuel level sensor, fuel filter, and fuel 
pump assembly

3.

 O-ring

4.

EVAP hose

5.

Fuel tank

6.

Fuel tank straps

7.

Fuel tank shield (if equipped)

8.

Lower fuel filler hose

9.

Fuel filler pipe and vent pipe

10. Vent hose

11.

Upper fuel filler hose

12. Fuel filler pipe and cup

AWBIA0864GB

August 2012

2012 Pathfinder

FUEL TANK

FL-7

< REMOVAL AND INSTALLATION >

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REMOVAL

WARNING:

Follow the “General Precautions” before working on the fuel system. Refer to 

FL-3, "General Precau-

tion"

.

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 

WT-50, "Adjustment"

.

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 may be spilled through the fuel tank filler hose fitting when

lowering the fuel tank if the level is above "1/2".

• As a guide, the fuel level reaches the fuel gauge position as

shown, or less, when approximately 43   (11 3/8 US gal, 9 1/2

Imp gal) of fuel is drained from a full 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. Disconnect the fuel filler hose from the fuel filler pipe.
c. 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-487, "Fuel Pressure Check"

 (VQ40DE), 

EC-

952, "Fuel Pressure Check"

 (VK56DE).

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.

CAUTION:

13. Fuel filler hose grommet

14. Fuel filler cap

15. EVAP canister hose

16. Clamp

17. Fuel tank protector

Front

AWBIA0161ZZ

August 2012

2012 Pathfinder

FL-8

< REMOVAL AND INSTALLATION >

FUEL TANK

• 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 fuel tank shield (if equipped).
8. Remove the propeller shaft. Refer to 

DLN-329, "Removal and Installation"

 (2S1330), 

DLN-340, "Removal

and Installation"

 (2S1350).

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

August 2012

2012 Pathfinder

FUEL TANK

FL-9

< REMOVAL AND INSTALLATION >

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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

August 2012

2012 Pathfinder

FL-10

< REMOVAL AND INSTALLATION >

FUEL TANK

• 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.      

13. Lower the fuel tank using a suitable lift jack and remove the fuel tank.

14. Disconnect the EVAP hose from the fuel pump and remove the EVAP hose from the molded clip in the top

of the fuel tank.

15. Remove the lock ring using Tool.

16. Remove the fuel level sensor, fuel filter, and fuel pump assem-

bly. Remove and discard the O-ring.

CAUTION:

• Do not bend the float arm during removal.

• Avoid impacts such as dropping when handling the com-

ponents.

• Discard the O-ring, do not reuse the O-ring.

INSTALLATION

Installation is in the reverse order of removal.

CAUTION:

• Do not reuse O-ring.

• Do not bend the float arm during installation.

• Connect the quick connector as follows:

- Check the connection for any damage or foreign materials.

- Align the connector with the pipe, then insert the connector straight into the pipe until a click is heard.

- After connecting the quick connector, make sure that the connec-

tion is secure by checking as follows:

- Pull the tube and the connector to make sure they are securely

connected.

- Visually inspect the connector to make sure the two retainer tabs

are securely connected.

INSPECTION AFTER INSTALLATION

1. Turn the ignition switch ON but do not start engine, then check the fuel pipe and hose connections for

leaks while applying fuel pressure.

2. Start the engine and rev it above idle, then check that there are no fuel leaks at any of the fuel pipe and

hose connections.

PBIC0163E

Tool number

:  — (J-45722)

LBIA0445E

PBIC1653E

August 2012

2012 Pathfinder

FUEL LEVEL SENSOR UNIT, FUEL FILTER AND FUEL PUMP ASSEMBLY

FL-11

< REMOVAL AND INSTALLATION >

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FUEL LEVEL SENSOR UNIT, FUEL FILTER AND FUEL PUMP ASSEMBLY

Removal and Installation

INFOID:0000000007358885

1.

Lock ring

2.

Fuel level sensor, fuel filter, and fuel 
pump assembly

3.

O-ring

4.

EVAP hose

5.

Fuel tank

6.

Fuel tank straps

7.

Fuel tank shield (if equipped)

8.

Lower fuel filler hose

9.

Fuel filler pipe and vent pipe

10. Vent hose

11.

Upper fuel filler hose

12. Fuel filler pipe and cup

13. Fuel filler hose grommet

14. Fuel filler cap

15. EVAP canister hose

16. clamp

17. Fuel tank protector

Front

AWBIA0864GB

August 2012

2012 Pathfinder

FL-12

< REMOVAL AND INSTALLATION >

FUEL LEVEL SENSOR UNIT, FUEL FILTER AND FUEL PUMP ASSEMBLY

REMOVAL

WARNING:

Follow the “General Precautions” before working on the fuel system. Refer to 

FL-3, "General Precau-

tion"

.

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 

WT-50, "Adjustment"

.

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 may be spilled through the fuel filler hose fitting when low-

ering the fuel tank if the level is above "1/2".

• As a guide, the fuel level reaches the fuel gauge position as

shown, or less, when approximately 43   (11 3/8 US gal, 9 1/2

Imp gal) of fuel is drained from a full 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. Disconnect the fuel filler hose from the fuel filler pipe.
c.

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-487, "Fuel Pressure Check"

 (VQ40DE), 

EC-

952, "Fuel Pressure Check"

 (VK56DE).

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.

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).

AWBIA0161ZZ

PBIC1268E

August 2012

2012 Pathfinder

 

 

 

 

 

 

 

Content      ..     385      386      387      388     ..