Sentra L4-2.0L (MR20DE) (2010)
Fuel Gauge Sender: Service and Repair
Removal and Installation
FUEL LEVEL SENSOR UNIT, FUEL FILTER AND FUEL PUMP ASSEMBLY
Removal and Installation
REMOVAL
WARNING:
Be sure to read "General Precautions" before working on the fuel system. See: Service Precautions/Technician Safety Information/General
Precautions.
1. Check fuel level with the vehicle on a level surface. If the fuel gauge indicates more than the level as shown (7/8 full), drain fuel from the fuel tank
until the fuel gauge indicates level as shown (7/8 full).
NOTE:
Fuel will be spilled when removing fuel pump assembly if fuel level is above the fuel pump assembly installation surface.
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As a guide, fuel level is at the level as shown or below when approximately 12 l (3 1/8 US gal, 2 5/8 Imp gal) of fuel is drained from a full fuel
tank.
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In case fuel pump does not operate, perform the following procedure.
a. Insert fuel tubing of less than 25 mm (0.98 in) in diameter into fuel filler tube through fuel filler opening to drain fuel from fuel filler tube.
b. Disconnect fuel filler hose from fuel filler tube. See: Powertrain Management/Fuel Delivery and Air Induction/Fuel Tank/Service and
Repair/Component See: Powertrain Management/Fuel Delivery and Air Induction/Fuel Tank/Service and Repair/Removal and Installation.
c. Insert fuel tubing into fuel tank through fuel filler hose to drain fuel from fuel tank.
2. Open fuel door and unscrew the fuel filler cap to release the pressure inside the fuel tank.
3. Release the fuel pressure from the fuel lines. See: Engine, Cooling and Exhaust/Engine/Tune-up and Engine Performance Checks/Fuel
Pressure/Testing and Inspection/For California MR20DE (California), See: Engine, Cooling and Exhaust/Engine/Tune-up and Engine
Performance Checks/Fuel Pressure/Testing and Inspection/Except For California MR20DE (except California), or See: Engine, Cooling and
Exhaust/Engine/Tune-up and Engine Performance Checks/Fuel Pressure/Testing and Inspection
QR25DE.
4. Disconnect battery negative terminal.
5. Remove rear seat bottom. See: Body and Frame/Seats/Service and Repair/Rear Seat/Component Parts Drawing 60/40 Split Fold Down Seat or
See: Body and Frame/Seats/Service and Repair/Rear Seat/Component Parts Drawing Fixed Back Seat.
6. Turn the three retainers (A) 90° in a clockwise direction and remove the fuel pump inspection hole cover.