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Home >> Subaru >> 2017 >> WRX STI >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel Injection System (2.5L) >> Fuel Sub Level Sensor >> Removal
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Fuel Sub Level Sensor: Removal

WARNING: Place "NO OPEN FLAMES" signs near the working area.
CAUTION:
  • Be careful not to spill fuel.
  • Catch the fuel from the tubes using a container or cloth.
  • If the fuel gauge indicates that two thirds or more of the fuel is remaining, be sure to drain fuel before starting work to avoid the fuel to spill.
  1. Release the fuel pressure. <Ref. to RELEASING OF FUEL PRESSURE , PROCEDURE, Fuel.>
  2. Drain fuel. <Ref. to DRAINING FUEL (WITH SUBARU SELECT MONITOR) , PROCEDURE, Fuel.>
  3. Disconnect the ground cable from battery.
  4. Remove the rear seat cushion. <Ref. to REMOVAL , Rear Seat.>
  5. Remove the service hole cover.
    Fig 1: Locating Service Hole Cover (Fuel Sub Level Sensor) Screws
    G10264943Courtesy of SUBARU OF AMERICA, INC.
  6. Disconnect the connector from the fuel sub level sensor.
    Fig 2: Disconnecting Connector From Fuel Sub Level Sensor
    G10264944Courtesy of SUBARU OF AMERICA, INC.
  7. Disconnect the quick connectors of fuel delivery tube (A), fuel return tube (B), and jet pump tube (C). <Ref. to REMOVAL , Fuel Delivery, Return and Evaporation Lines.>
  8. Remove the rubber cap (D) from the nut.
    Fig 3: Locating Fuel Delivery/Return Tube Connector
    G10264945Courtesy of SUBARU OF AMERICA, INC.
  9. Remove the bolts and nuts which hold fuel sub level sensor protector and fuel sub level sensor upper plate to the fuel tank.
    Fig 4: Locating Fuel Sub Level Sensor Protector Bolts
    G10264946Courtesy of SUBARU OF AMERICA, INC.
    Fig 5: Locating Fuel Sub Level Sensor Upper Plate Bolts
    G06648429Courtesy of SUBARU OF AMERICA, INC.
  10. Remove the fuel sub level sensor from the fuel tank.