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Knock Sensor: Removal

  1. Disconnect the ground cable from battery.
    Fig 1: Disconnecting Ground Cable From Battery
    G05019586Courtesy of SUBARU OF AMERICA, INC.
  2. Remove the air intake chamber. Refer to REMOVAL , Air Intake Chamber.
  3. Disconnect the knock sensor connector.
    Fig 2: Identifying Knock Sensor Connector
    G06334025Courtesy of SUBARU OF AMERICA, INC.
  4. Remove the knock sensor from the cylinder block.
    Fig 3: Identifying Knock Sensor On Cylinder Block
    G04997393Courtesy of SUBARU OF AMERICA, INC.