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Home >> Subaru >> 2020 >> WRX Base >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel Injection System (2.0L) >> Knock Sensor >> Installation >> LH Side
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LH Side

  1. Install the knock sensor to the cylinder block.
    NOTE: The knock sensor should be installed so that the center of the connector is positioned at a 47.5 - 62.5° angle relative to the rear of engine.

    Tightening torque: 

    24 N.m (2.4 kgf-m, 17.7 ft-lb)

    G13641173Courtesy of SUBARU OF AMERICA, INC.
  2. Connect the connector to the knock sensor.
    G09479757Courtesy of SUBARU OF AMERICA, INC.
  3. Install the bolts securing the engine wiring harness.

    Tightening torque: 

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

    G10266205Courtesy of SUBARU OF AMERICA, INC.
  4. Install the throttle body. Refer to FUEL INJECTION (FUEL SYSTEMS) (W/O STI)>THROTTLE BODY>INSTALLATION .
  5. Install the intercooler. Refer to INTAKE (INDUCTION) (W/O STI)>INTERCOOLER>INSTALLATION .
  6. Connect the ground terminal to battery sensor. Refer to NOTE>NOTE>BATTERY .
  7. Install the collector cover. Refer to INTAKE (INDUCTION) (W/O STI)>COLLECTOR COVER>INSTALLATION .