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Home >> Subaru >> 2012 >> Outback Base, Standard Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel Injection Fuel Systems (H4SO) >> Knock Sensor >> Removal
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Knock Sensor: Removal

  1. Disconnect the ground cable from battery.
    Fig 1: Disconnecting Ground Cable From Battery
    G07909678Courtesy of SUBARU OF AMERICA, INC.
  2. Remove the air intake boot assembly. Refer to AIR INTAKE BOOT .
  3. Disconnect the knock sensor connector.
    Fig 2: Locating Knock Sensor Connector
    G06648302Courtesy of SUBARU OF AMERICA, INC.
  4. Remove the knock sensor from cylinder block.
Fig 3: Identifying Knock Sensor Bolt
G04997393Courtesy of SUBARU OF AMERICA, INC.