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Knock Sensor: Installation

  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 76.5 - 91.5° angle relative to the front of engine.

    Tightening torque: 

    24 N.m (2.4 kgf-m, 17.7 ft-lb) 

    Fig 1: Identifying Knock Sensor Bolt Tightening Angle
    G10318311Courtesy of SUBARU OF AMERICA, INC.
  2. Connect the connector to the knock sensor.
    Fig 2: Locating Knock Sensor Connector
    G08315410Courtesy of SUBARU OF AMERICA, INC.
  3. Install the air intake boot. < Ref. to INSTALLATION , Air Intake Boot. >
  4. Connect the battery ground terminal.
    Fig 3: Connecting Battery Ground Terminal
    G08317298Courtesy of SUBARU OF AMERICA, INC.