Knock Sensor: Removal

Disconnect ground cable from battery.

Fig 1: Disconnecting Ground Cable From Battery
Courtesy of SUBARU OF AMERICA, INC.
Remove air cleaner case. Refer to REMOVAL , Air Cleaner Case.
Disconnect knock sensor connector.

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

Fig 3: Removing Knock Sensor From Cylinder Block
Courtesy of SUBARU OF AMERICA, INC.