2020 Subaru WRX BaseFACTORY OEM SERVICE PROCEDURE

Fuel Injector RH

CAUTION:
  • Be careful not to spill fuel.
  • Catch the fuel from the pipes using a container or cloth.
  1. Disconnect the ground terminal from battery sensor. Refer to NOTE>NOTE>BATTERY .
  2. Remove the high-pressure fuel delivery pipe assembly. Refer to FUEL INJECTION (FUEL SYSTEMS) (W/O STI)>HIGH PRESSURE FUEL DELIVERY PIPE>REMOVAL>HIGH-PRESSURE FUEL DELIVERY PIPE ASSY .
  3. Disconnect the connector (A) from fuel injector, and remove the fuel injector pipe.
    G09479656Courtesy of SUBARU OF AMERICA, INC.
  4. Using scissors or the like, remove the rubber cover (A) from the fuel injector.
  5. Remove the holder (B) and spacer (C) from the fuel injector.
    G12444107Courtesy of SUBARU OF AMERICA, INC.
  6. Rotate the snap ring to remove it from the fuel injector.
    G12444108Courtesy of SUBARU OF AMERICA, INC.
  7. Using ST, remove the fuel injector from the cylinder head.
    ST 18356AA000 INJECTOR REMOVER
    1. Set the ST so that its mark faces the center of the engine.
      G09479658Courtesy of SUBARU OF AMERICA, INC.
    2. Pinch the fuel injector groove (A) with the claw section (B) of ST.
      G09479659Courtesy of SUBARU OF AMERICA, INC.
    3. Press the ST to the cylinder head.
      G09479660Courtesy of SUBARU OF AMERICA, INC.
    4. Screw in the threaded section of the ST clockwise, and remove the fuel injector from the cylinder head.
    G09479661Courtesy of SUBARU OF AMERICA, INC.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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