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Home >> Subaru >> 2016 >> BRZ Series.HyperBlue >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel Injection System >> Fuel Pump Assembly (Fa20) >> Disassembly
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Fuel Pump Assembly (Fa20): Disassembly

CAUTION: Do not disconnect the press fit hoses of fuel pump assembly shown in the figure.
Fig 1: Locating Fuel Pump Assembly Hoses
G10213471Courtesy of SUBARU OF AMERICA, INC.
  1. Fuel sender gauge Assembly removal (Refer to REMOVAL  )
  2. Fuel sub tank removal
    1. Disconnect the fuel pump harness connector.
      Fig 2: Locating Fuel Pump Harness Connector
      G10213472Courtesy of SUBARU OF AMERICA, INC.
    2. Hold down the fuel suction plate in the direction of arrow shown the figure.
    3. Remove the E-ring.
      Fig 3: Removing E-Ring
      G10213473Courtesy of SUBARU OF AMERICA, INC.
    4. Using a flat tip screwdriver wrapped with protective tape, release the claw and disconnect the jet pump nozzle.
      Fig 4: Disconnecting Jet Pump Nozzle Using Flat Tip Screwdriver
      G10213474Courtesy of SUBARU OF AMERICA, INC.
    5. Using a flat tip screwdriver wrapped with protective tape, release the three claws and pull out the fuel suction plate.
      CAUTION: Do not damage the fuel sub tank and fuel filter.
      Fig 5: Pulling Fuel Suction Plate
      G10213475Courtesy of SUBARU OF AMERICA, INC.
    6. Using a flat tip screwdriver wrapped with protective tape, release the claw and disconnect the jet pump.
      Fig 6: Locating Jet Pump
      G10213476Courtesy of SUBARU OF AMERICA, INC.
    7. Remove the O-ring from the fuel sub tank.
      Fig 7: Locating Fuel Sub Tank O-Ring
      G10213477Courtesy of SUBARU OF AMERICA, INC.
  3. Fuel pump removal
    1. Release the two claws using a flat tip screwdriver wrapped with protective tape.
      Fig 8: Locating Fuel Pump Claws
      G10213478Courtesy of SUBARU OF AMERICA, INC.
    2. Using a flat tip screwdriver wrapped with protective tape, release the three claws and pull the fuel pump straight out.
      CAUTION: Do not damage the fuel pump and fuel filter.
      Fig 9: Locating Fuel Pump Claws
      G10213479Courtesy of SUBARU OF AMERICA, INC.
    3. Disconnect the connector and remove the fuel pump harness.
    4. Remove the O-ring and spacer from the fuel pump.
      Fig 10: Locating Fuel Pump Harness, O-Ring And Spacer
      G10213480Courtesy of SUBARU OF AMERICA, INC.
  4. Fuel pressure regulator removal
    1. Remove the fuel pressure regulator from the fuel pump.
      Fig 11: Locating Fuel Pressure Regulator
      G10213481Courtesy of SUBARU OF AMERICA, INC.
    2. Remove the two O-rings and back-up ring from the fuel pressure regulator.
      Fig 12: Locating Fuel Pressure Regulator O-Rings And Back-Up Ring
      G10213482Courtesy of SUBARU OF AMERICA, INC.