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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 Position At 60° Angle Relative To Engine Rear
    G06334027Courtesy of SUBARU OF AMERICA, INC.
  2. Connect the knock sensor connector.
    Fig 2: Identifying Knock Sensor Connector
    G06334025Courtesy of SUBARU OF AMERICA, INC.
  3. Install the air intake chamber. Refer to INSTALLATION , Air Intake Chamber.
  4. Connect the ground cable to battery.
    Fig 3: Disconnecting Ground Cable From Battery
    G05019586Courtesy of SUBARU OF AMERICA, INC.