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Home >> Subaru >> 2009 >> Impreza WRX STi >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel Injection System (STI) >> Fuel Pump >> Removal

Fuel Pump: Removal

WARNING: Place "NO OPEN FLAMES" signs near the working area.
CAUTION:
  • Be careful not to spill fuel.
  • 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.
NOTE: Fuel pump assembly consists of fuel pump, fuel filter and fuel level sensor.
  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.
    Fig 1: Identifying Battery Ground Cable
    G05019586Courtesy of SUBARU OF AMERICA, INC.
  4. Remove the rear seat cushion. Ref. to REMOVAL , Rear Seat.
  5. Remove the service hole cover.
    1. Remove the screws (A).
    2. Push the grommet (B) down and remove the service hole cover.
      Fig 2: Identifying Service Hole Cover Grommet And Screws
      G05659550Courtesy of SUBARU OF AMERICA, INC.
  6. Disconnect the connector from fuel pump.
    Fig 3: Locating Fuel Pump Connector
    G05660582Courtesy 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.
    Fig 4: Identifying Quick Connectors Of Fuel Delivery Tube, Fuel Return Tube And Jet Pump Tube
    G06344811Courtesy of SUBARU OF AMERICA, INC.
  8. Remove the nuts which hold the fuel pump upper plate to the fuel tank.
    Fig 5: Locating Fuel Pump Upper Plate To Fuel Tank And Nuts
    G06344812Courtesy of SUBARU OF AMERICA, INC.
  9. Remove the fuel pump assembly from the fuel tank.