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Home >> Subaru >> 2017 >> Outback 2.5i >> Repair and Diagnosis (Single Page) >> Engine Performance >> Engine Control Systems >> Fuel Injection System (H4DO) >> Fuel Sub Level Sensor >> Installation
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Fuel Sub Level Sensor: Installation

  1. Install the fuel sub level sensor to the fuel tank.
    CAUTION: Set the arm and float of the fuel sub level sensor while paying attention to prevent them from contacting the fuel tank. If the arm of the fuel sub level sensor is bent, the fuel gauge may not read correctly.
    NOTE: Use a new gasket.
    1. Make sure the sealing portion is free from fuel or foreign matter before installation.
    2. Align protrusion (A) of the gasket to the position shown in the figure.
    3. Align the cutout of fuel sub level sensor upper plate cushion with the protrusion (B) of fuel sub level sensor.
    4. Align the protrusion (B) of fuel sub level sensor upper plate cushion with the cutout of fuel sub level sensor upper plate.
    5. Tighten the nuts to the specified torque in the order as shown in the figure.

    Tightening torque: 

    4.4 N.m (0.4 kgf-m, 3.2 ft-lb) 

    Fig 1: Fuel Sub Level Sensor Upper Plate Nuts Tightening Sequence
    G11566076Courtesy of SUBARU OF AMERICA, INC.
  2. Install the fuel sub level sensor protector, and connect the quick connector (A) of the fuel sub delivery tube.
    CAUTION:
    • Check that there is no damage or dust on the quick connector. If necessary, clean the seal surface of the pipe.
    • When connecting the quick connector, make sure to insert it all the way in before locking the slider.
    • When it is difficult to lock the slider, check that the connector is fully inserted.
    • After locking the slider, check that the quick connector is securely connected.
    NOTE: Connect the quick connector as shown in the figure.
    Fig 2: Connecting Quick Connector
    G11566077Courtesy of SUBARU OF AMERICA, INC.
    Fig 3: Locating Fuel Sub Delivery Tube Quick Connector And Bolts
    G10262279Courtesy of SUBARU OF AMERICA, INC.
  3. Connect the connector to the fuel sub level sensor.
    Fig 4: Locating Fuel Sub Level Sensor Connector
    G10262230Courtesy of SUBARU OF AMERICA, INC.
  4. Install the service hole cover of fuel sub level sensor.
    Fig 5: Locating Service Hole Cover Screws
    G10262229Courtesy of SUBARU OF AMERICA, INC.
  5. Install the rear seat cushion. Ref. to INSTALLATION , Rear Seat.
  6. Connect the ground terminal to battery sensor. Ref. to BATTERY
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