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Home >> Subaru >> 2021 >> WRX Base >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel Injection System (2.0L) >> High Pressure Fuel Pump >> Installation >> High-Pressure Fuel Pump Case
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High-Pressure Fuel Pump Case

  1. Apply liquid gasket to the mating surfaces of fuel pump case, and install the high-pressure fuel pump case.
    NOTE:
    • Clean the mating surface of the high-pressure fuel pump case and cam carrier assembly LH.
    • Install within 5 min. after applying liquid gasket.

    Liquid gasket: 

    THREE BOND 1217G (Part No. K0877Y0100), THREE BOND 1217H or equivalent

    Liquid gasket applying diameter: 

    3±1 mm (0.1181±0.0394 in)

    G13641125Courtesy of SUBARU OF AMERICA, INC.
  2. Install the high-pressure fuel pump case to the cam carrier assembly LH.

    Tightening torque: 

    19 N.m (1.9 kgf-m, 14.0 ft-lb)

    G09479703Courtesy of SUBARU OF AMERICA, INC.
  3. Install the air intake adapter LH to cylinder heads.
    NOTE: Use a new gasket.

    Tightening torque: 

    25 N.m (2.5 kgf-m, 18.4 ft-lb)

    G09479702Courtesy of SUBARU OF AMERICA, INC.
  4. Install the high-pressure fuel pump. Refer to FUEL INJECTION (FUEL SYSTEMS) (W/O STI)>HIGH PRESSURE FUEL PUMP>INSTALLATION>HIGH-PRESSURE FUEL PUMP .