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Home >> Subaru >> 2009 >> Forester X, Automatic >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel Injection System (H4SO) >> Knock Sensor >> Installation
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Knock Sensor: Installation

  1. Install the knock sensor to the cylinder block.
    NOTE: Extraction area of knock sensor cord must be positioned at a 60° angle relative to the engine rear.

    Tightening torque: 

    24 N.m (2.4 kgf-m, 17.7 ft-lb) 

    Fig 1: Identifying Knock Sensor Cord Area
    G05953741Courtesy of SUBARU OF AMERICA, INC.
  2. Connect the knock sensor connector.
    Fig 2: Identifying Knock Sensor Connector
    G05659388Courtesy of SUBARU OF AMERICA, INC.
  3. Install the air intake chamber.

    Refer to INSTALLATION , Air Intake Chamber .

  4. Connect the battery ground cable to battery.
Fig 3: Connecting Battery Ground Cable To Battery
G05016809Courtesy of SUBARU OF AMERICA, INC.