Nissan Sentra Service Manual: Disassembly and assembly
FUEL LEVEL SENSOR UNIT
Exploded View
Fuel Level Sensor Unit
- Fuel filter and pump assembly
- Fuel level sensor unit
- Float arm assembly
- Fuel tank temperature sensor
- Fuel level sensor unit/fuel tank temperature sensor harness connector
Disassembly and Assembly
DISASSEMBLY
- Disconnect fuel level sensor unit/fuel tank temperature sensor
harness connector (1).
NOTE:
Hold connector with your fingers, because there is no tab for
releasing stopper. Pull it out straight downward.

- Remove fuel tank temperature sensor (2) from fuel filter and fuel
pump assembly (1).

- Using a suitable tool (2), remove fuel level sensor unit (3) from
fuel filter and fuel pump assembly (1).
CAUTION:
- Be careful not to damage the fuel level sensor unit.
- Do not disassemble fuel filter and fuel pump assembly.

ASSEMBLY
- Check for damage of fuel level sensor unit installation position on the
side of fuel filter and pump assembly.
- Slide fuel level sensor unit until it aligns to installation groove,
then insert it until it stops.
- After inserting, apply force in reverse direction (removal direction) to
ensure it cannot be pulled out.
- Connect fuel level sensor unit/fuel tank temperature sensor harness
connector.
INSPECTION AFTER INSTALLATION
Use the following procedure to check for fuel leaks.
- Turn ignition switch “ON” (with engine stopped), then check connections
for leaks by applying fuel pressure
to fuel piping.
- Start engine and let it idle and check there are no fuel leaks at the
fuel system connections.
Exploded View
EVAP canister bracket
EVAP canister filter drain hose
EVAP canister filter
EVAP canister protector
EVAP hose
EVAP canister vent control valve
O-ring
EVAP canister
...
Fuel Tank
Standard and Limit
Standard and Limit
...
Other materials:
System
Warning chime system
Warning chime system : system diagram
Warning chime system : system description
Description
The buzzer for warning chime system is installed in the combination
meter.
The buzzer sounds when the combination meter receives a buzzer output
signal from the bcm.
Th ...
Engine cooling system
The engine cooling system is filled at the factory
with a pre-diluted mixture of 50% Genuine
NISSAN Long Life Antifreeze/Coolant (blue) and
50% water to provide year-round anti-freeze and
coolant protection. The antifreeze solution contains
rust and corrosion inhibitors. Additional engine
cool ...
Ecm branch line circuit
Diagnosis Procedure
1.Check connector
Turn the ignition switch off.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the ECM for damage, bend and loose
connection (unit side and
connector side).
Is the inspection result normal?
YES > ...
© 2014-2025 Copyright www.nisentra.com