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Home >> Subaru >> 2016 >> WRX STI >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel Injection System (WRX-STI) >> Knock Sensor >> Installation
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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 Cylinder Block Knock Sensor (Vehicle Front Side)
    G10289844Courtesy of SUBARU OF AMERICA, INC.
  2. Install the secondary air combination valve RH. < Ref. to SECONDARY AIR COMBINATION VALVE RH , INSTALLATION, Secondary Air Combination Valve. >
  3. Install the intake manifold. < Ref. to INSTALLATION , Intake Manifold. >
  4. Install the intercooler. < Ref. to INSTALLATION , Intercooler. >
  5. Connect the battery ground terminal.