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Home >> Subaru >> 2015 >> Forester 2.5i Limited, Eng CD FB25BA >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel Injection Fuel Systems (H4DO) >> Knock Sensor >> Installation
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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: Locating Knock Sensor Position And Bolt
    G09475543Courtesy 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.