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Home >> Subaru >> 2017 >> 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) 

    Fig 1: Liquid Gasket Applying Dimension To Mating Surfaces Of Fuel Pump Case
    G11574581Courtesy 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) 

    Fig 2: Locating High-Pressure Fuel Pump Case Bolts
    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) 

    Fig 3: Locating Air Intake Adapter LH Bolts
    G09479702Courtesy of SUBARU OF AMERICA, INC.
  4. Install the high-pressure fuel pump. <Ref. to HIGH-PRESSURE FUEL PUMP , INSTALLATION, High Pressure Fuel Pump.>