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Home >> Subaru >> 2009 >> Forester X, Automatic >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel Injection System (H4SO) >> Knock Sensor >> Removal
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Knock Sensor: Removal

  1. Disconnect the ground cable from the battery.
    Fig 1: Disconnecting Ground Cable Of 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
    G05659388Courtesy of SUBARU OF AMERICA, INC.
  4. Remove the knock sensor from the cylinder block.
Fig 3: Identifying Knock Sensor To Cylinder Block
G04997393Courtesy of SUBARU OF AMERICA, INC.