LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Subaru >> 2021 >> Ascent Base >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel Injection System >> High Pressure Fuel Pump >> Installation >> High-Pressure Fuel Pump
April 5, 2026: LEMON Manuals is launched! Read the announcement.

High-Pressure Fuel Pump

  1. Install the fuel pump lifter to the high-pressure fuel pump case.
    NOTE:
    • Apply engine oil to the side of the high-pressure fuel pump case and to the bottom surface of the fuel pump lifter.
    • After installing the fuel pump lifter, rotate the crankshaft in order to set the fuel pump lifter comes to the lowest position.
    G13198255Courtesy of SUBARU OF AMERICA, INC.
  2. Set a new O-ring, using TORX PLUS® 40IP, install the high-pressure fuel pump.

    Tightening torque: 

    121 N.m (2.1 kgf-m, 15.5 ft-lb)

  3. Connect the connector (A) to the high-pressure fuel pump.
    G13198254Courtesy of SUBARU OF AMERICA, INC.
  4. Install the high-pressure fuel delivery pipe. Ref. to FUEL INJECTION (FUEL SYSTEMS) (H4DOTC)>High Pressure Fuel Delivery Pipe>INSTALLATION>HIGH-PRESSURE FUEL DELIVERY PIPE .
  5. Connect the ground terminal to battery sensor. Ref. to REPAIR CONTENTS>NOTE>BATTERY .
scientia non olet · About LEMON Manuals