Knock Sensor: Removal

Disconnect the battery ground cable from the battery ground terminal.

Fig 1: Disconnecting The Battery Ground Cable
Courtesy of SUBARU OF AMERICA, INC.
Remove the air cleaner case. Refer to AIR CLEANER CASE .
Disconnect the knock sensor connector.

Fig 2: Disconnecting The Knock Sensor Connector
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Remove the knock sensor from the cylinder block.

Fig 3: Removing The Knock Sensor
Courtesy of SUBARU OF AMERICA, INC.