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Home >> Subaru >> 2017 >> WRX Base >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel Injection System (2.0L) >> Knock Sensor >> Removal >> LH Side
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LH Side

  1. Remove the collector cover. <Ref. to REMOVAL , Collector Cover.>
  2. Disconnect the ground terminal from battery sensor. <Ref. to BATTERY , NOTE, Note.>
  3. Remove the intercooler. <Ref. to REMOVAL , Intercooler.>
  4. Remove the throttle body. <Ref. to REMOVAL , Throttle Body.>
  5. Remove the bolts securing the engine harness.
    Fig 1: Locating Engine Harness Bolt
    G10266205Courtesy of SUBARU OF AMERICA, INC.
  6. Disconnect the connector (A) from the knock sensor, and remove the knock sensor from the cylinder block.
Fig 2: Locating Knock Sensor Bolt With Connector (LH Side)
G09479753Courtesy of SUBARU OF AMERICA, INC.
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