Knock Sensor: Removal

Disconnect battery ground cable.

Fig 1: Disconnecting Battery Ground Cable
Courtesy of SUBARU OF AMERICA, INC.
Remove air cleaner case.

Fig 2: Removing Air Cleaner Case
Courtesy of SUBARU OF AMERICA, INC.
Disconnect knock sensor connector.

Fig 3: Disconnecting Knock Sensor Connector
Courtesy of SUBARU OF AMERICA, INC.
Remove knock sensor from cylinder block.

Fig 4: Removing Knock Sensor From Cylinder Block

Courtesy of SUBARU OF AMERICA, INC.