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Home >> Subaru >> 2016 >> WRX STI >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel Injection System (WRX-STI) >> Knock Sensor >> Removal
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Knock Sensor: Removal

  1. Disconnect the ground cable from battery.
  2. Remove the intercooler. < Ref. to REMOVAL , Intercooler. >
  3. Remove the intake manifold. < Ref. to REMOVAL , Intake Manifold. >
  4. Remove the secondary air combination valve RH. < Ref. to REMOVAL , Secondary Air Combination Valve. >
  5. Remove the knock sensor from cylinder block.
    Fig 1: Locating Cylinder Block Knock Sensor
    G08538762Courtesy of SUBARU OF AMERICA, INC.