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Home >> Subaru >> 2021 >> Ascent Base >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel Injection System >> High Pressure Fuel Delivery Pipe >> Installation >> High-Pressure Fuel Delivery Pipe
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High-Pressure Fuel Delivery Pipe

  1. Temporarily tighten the flare nut of the high-pressure fuel delivery pipe by hand until it seats, and tighten the flare nuts on both ends.
    CAUTION:
    • Always use a new high-pressure fuel delivery pipe.
    • Check that the seal surface of the fuel injector pipe LH and the high-pressure fuel pump have no deformation, cracks or other damages.
    • Check that the seal surface of the fuel injector pipe LH and the high-pressure fuel pump have no foreign materials.

    Tightening torque: 

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

    G13198264Courtesy of SUBARU OF AMERICA, INC.
  2. Install the fuel pump insulator, fuel pipe insulator No. 3, fuel pipe insulator No. 4 and fuel pipe insulator No. 5. Ref. to FUEL INJECTION (FUEL SYSTEMS) (H4DOTC)>Fuel Insulator>INSTALLATION .
  3. Install the intake manifold assembly. Ref. to FUEL INJECTION (FUEL SYSTEMS) (H4DOTC)>Intake Manifold Assembly>INSTALLATION .
  4. Connect the ground terminal to battery sensor. Ref. to REPAIR CONTENTS>NOTE>BATTERY .