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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 Delivery Pipe >> Installation >> High-Pressure Fuel Delivery Pipe
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High-Pressure Fuel Delivery Pipe

  1. Temporarily tighten the high-pressure fuel delivery pipe by hand until it is seated, and tighten the flare nuts on both ends.
    CAUTION: Always use a new high-pressure fuel delivery pipe.

    Tightening torque: 

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

    G09479697Courtesy of SUBARU OF AMERICA, INC.
  2. Install the fuel pipe insulator No. 2. Refer to FUEL INJECTION (FUEL SYSTEMS) (W/O STI)>FUEL INSULATOR>INSTALLATION>FUEL PIPE INSULATOR NO. 2 .
  3. Install the fuel pipe insulator No. 1. Refer to FUEL INJECTION (FUEL SYSTEMS) (W/O STI)>FUEL INSULATOR>INSTALLATION>FUEL PIPE INSULATOR NO. 1 .
  4. Install the intake manifold. Refer to FUEL INJECTION (FUEL SYSTEMS) (W/O STI)>INTAKE MANIFOLD>INSTALLATION .
  5. Connect the ground terminal to battery sensor. Refer to NOTE>NOTE>BATTERY .