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Knock Sensor: Installation

  1. Install the knock sensor to the cylinder block.
    NOTE: The portion of the knock sensor cord that is pulled out 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: Locating Knock Sensor To Cylinder Block And Bolt Angle
    G06351318Courtesy of SUBARU OF AMERICA, INC.
  2. Connect the knock sensor connector.
    Fig 2: Identifying Knock Sensor Connector
    G05660397Courtesy of SUBARU OF AMERICA, INC.
  3. Install the intercooler. Refer to INSTALLATION , Intercooler.
  4. Connect the ground cable to battery.
Fig 3: Identifying Battery Ground Cable
G05019586Courtesy of SUBARU OF AMERICA, INC.