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Home >> Subaru >> 2017 >> Crosstrek Base >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel Injection System (H4DO) >> Fuel Injector >> Removal
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Fuel Injector: Removal

  1. Release the fuel pressure. Ref. to RELEASING OF FUEL PRESSURE , PROCEDURE, Fuel.
  2. Disconnect the ground cable from battery.
    Fig 1: Disconnecting Ground Cable From Battery
    G08317298Courtesy of SUBARU OF AMERICA, INC.
  3. Open the fuel filler lid and remove the fuel filler cap.
    NOTE: This operation is required to release the inner pressure of the fuel tank.
  4. When removing the RH side, also perform the following steps.
    1. Remove the clip (A), and loosen the clamps (B) and (C) securing the air intake boot.
      Fig 2: Air Intake Boot, Clip And Clamps
      G09475465Courtesy of SUBARU OF AMERICA, INC.
    2. Remove the air intake boot from the air cleaner case (rear) and throttle body, and move the air intake boot aside so that it does not interfere with the work.
      Fig 3: Removing Air Intake Boot From Air Cleaner Case (Rear) And Throttle Body
      G09476922Courtesy of SUBARU OF AMERICA, INC.
    3. Disconnect the connector from the mass air flow and intake air temperature sensor, and remove the clip (A) securing the bulkhead wiring harness.
      Fig 4: Disconnecting Connector From Mass Air Flow And Intake Air Temperature Sensor
      G08316829Courtesy of SUBARU OF AMERICA, INC.
    4. Remove the air cleaner case (rear) together with the air cleaner element.
    Fig 5: Removing Air Cleaner Case (Rear) With Air Cleaner Element
    G08316830Courtesy of SUBARU OF AMERICA, INC.
  5. Remove the intake manifold protector.
    • RH side
      Fig 6: Locating Intake Manifold Protector Bolts (RH Side)
      G08315340Courtesy of SUBARU OF AMERICA, INC.
    • LH side
    Fig 7: Locating Intake Manifold Protector Bolts (LH Side)
    G08315343Courtesy of SUBARU OF AMERICA, INC.
  6. Disconnect the connectors (A) from fuel injector.
  7. Disconnect the quick connector (B) of the fuel delivery pipe from the fuel pipe.
    CAUTION:
    • Be careful not to spill fuel.
    • Catch the fuel from the pipes using a container or cloth.
    NOTE: Disconnect the quick connector as shown in the figure.
    Fig 8: Disconnecting Quick Connector
    G11584094Courtesy of SUBARU OF AMERICA, INC.
  8. Remove the bolts which hold fuel pipe onto the cam carrier, and remove the fuel pipe together with the fuel injector.
    Fig 9: Locating Fuel Pipe Bolts Onto Cam Carrier
    G09477037Courtesy of SUBARU OF AMERICA, INC.
  9. Remove the fuel injector from the fuel pipe.
    1. Remove the fuel injector holder from one side of flange section (A) of the fuel pipe.
    2. While holding one side of fuel injector holder (B) you removed in step  1 by finger, remove the other side of fuel injector holder from the flange section (C) of the fuel pipe.
      Fig 10: Removing Fuel Injector From Fuel Pipe
      G09477038Courtesy of SUBARU OF AMERICA, INC.
    3. Remove the fuel injector holder from the fuel pipe and fuel injector, and remove the fuel injector from the fuel pipe.
    4. Remove the fuel injector on the LH side in the same manner.