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Home >> Subaru >> 2017 >> Impreza Base, 4D Sedan, Standard Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel Injection System >> Fuel Pump >> Installation

Fuel Pump: Installation

  1. Install a new gasket to the fuel tank.
    Fig 1: Locating Fuel Tank Gasket
    G11252951Courtesy of SUBARU OF AMERICA, INC.
  2. Set the fuel pump to the position shown in the figure.
    CAUTION:
    • Be careful not to spill any fuel over the gasket. If any fuel is spilled onto the gasket, wipe it off completely.
    • Set the arm and float of the fuel level sensor while paying attention to prevent them from contacting the fuel tank. If the arm of the fuel level sensor is bent, the fuel gauge may not read correctly.
    Fig 2: Identifying Fuel Pump Positioning Mark
    G11252952Courtesy of SUBARU OF AMERICA, INC.
  3. Use a new ring nut, temporarily tighten the ring nut.
  4. Using the ST, tighten the ring nut.
    CAUTION:
    • Be careful not to damage the tube with the ST.
    • Before setting the ST, move the tube above the ST.
    • Be sure to tighten firmly to the specified torque in order to avoid looseness.
    • Make sure that the position mark on the fuel pump is located within the installation position range mark on the fuel tank as shown in the figure.

    Preparation tool: 

    ST: ST FUEL PUMP (42099FL000)

    Tightening torque: 

    130 N.m (13.3 kgf-m, 95.9 ft-lb)

    Fig 3: Tightening Ring Nut Using ST
    G11252953Courtesy of SUBARU OF AMERICA, INC.
  5. Connect the fuel delivery tube. Ref. to FUEL INJECTION (FUEL SYSTEMS) (H4DO)>Fuel Delivery and Evaporation Lines>INSTALLATION>QUICK CONNECTOR CONNECTION (TYPE D) .
    Fig 4: Locating Fuel Delivery Tube
    G11252949Courtesy of SUBARU OF AMERICA, INC.
  6. Connect the connector to the fuel pump.
    Fig 5: Locating Fuel Pump Connector
    G11252926Courtesy of SUBARU OF AMERICA, INC.
  7. Install the service hole cover of fuel pump.
    Fig 6: Locating Fuel Pump Service Hole Cover Bolts
    G11252925Courtesy of SUBARU OF AMERICA, INC.
  8. Install the rear seat cushion. Ref. to SEATS>Rear Seat>INSTALLATION .
  9. Connect the battery ground terminal. Ref. to REPAIR CONTENTS>NOTE>BATTERY .