Nissan Versa
Sedan Service Manual
Engine » Fuel system (FL)
Fuel level sensor unit, fuel filter and fuel pump assembly
Exploded View
1. Lock ring 2. Fuel level sensor unit, fuel filter and
fuel pump assembly
3. O-ring
4. Fuel tank
Removal and Installation
WARNING:
Be sure to read "General Precautions" before working on the fuel system. Refer
to FL, "General Precautions".
REMOVAL
- Release the fuel pressure from the fuel lines. Refer to EC, "Work
Procedure".
- Check fuel level with vehicle on a level surface. If the fuel level is
7/8 of the fuel tank (full or nearly full),
draw appropriate amount of fuel from the fuel tank.
Guideline : Draw approximately 10 liters (2-5/8 US gal, 2-1/4 Imp gal)
from a full-tank condition.
- In the event of malfunction in fuel pump, insert a hose measuring 20
mm (0.79 in) in diameter into the
filler opening to draw approximately 10 liters (2-5/8 US gal, 2-1/4 Imp
gal) fuel.
- Open fuel filler lid.
- Open fuel filler cap and release the pressure inside fuel tank.
- Remove the rear seat cushion. Refer to SE, "Removal and Installation -
Seat Cushion Assembly".
- Remove the inspection hole cover.
- Disconnect the harness connector (B), fuel feed tube (C) and
EVAP tube (A).
: Front
Remove the quick connector as follows:
- Hold the sides of the connector, push in tabs (B) and pull (A)
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 tube can be removed when the tabs are completely depressed. Do
not twist it more than
necessary.
- Do not use any tools to remove the quick connector.
- Keep the resin tube away from heat. Be especially careful when
welding near the tube.
- Prevent acid liquid such as battery electrolyte, etc. from getting
on the resin tube.
- Do not bend or twist the tube during installation and removal.
- Only when the tube is replaced, remove the remaining retainer on
the tube or fuel level sensor,
fuel filter, and fuel pump assembly.
- When the tube or fuel level sensor, fuel filter, and fuel pump
assembly is replaced, also replace
the retainer with a new one (green colored retainer).
- To keep the connecting portion clean and to avoid damage
and foreign materials, cover them completely with
plastic bags (B) or something similar.
(A) : Fuel feed hose
(C) : Fuel tube
8. Remove the lock ring using Tool (A).
Tool number : KV10119900 (J-45722)
NOTE:
For reference when installing, put a matching mark on lock ring,
fuel pump assembly and fuel tank.
9. Remove fuel level sensor unit, fuel filter
and fuel pump assembly. Remove and discard the O-ring.
CAUTION:
- Do not bend the float arm during removal.
- Do not reuse O-ring.
INSPECTION AFTER REMOVAL
Inspect the fuel level sensor, fuel filter, and fuel pump assembly for any
defects and foreign materials. Replace
as necessary.
INSTALLATION
Installation is in the reverse order of removal.
: Front
(A) : EVAP tube
(B) : Harness connector
- Install the lock ring using Tool (A).
Tool number : KV10119900 (J-45722)
NOTE:
For reference when installing, align the matching marks on lock
ring, fuel pump assembly and fuel tank.
- Connect the quick connector as follows:
- Check the connection for damage or any foreign materials.
- Align the connector with the tube, then insert the connector
straight
into the tube until a click is heard.
- After the tube is connected, make sure the connection is secure by
performing the following checks:
- Pull (A) the tube and the connector to make sure they are securely
connected.
- Visually confirm that the two retainer tabs are connected to the
quick connector.
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Fuel level sensor unit, fuel filter and fuel pump assembly