Knock Sensor: Removal

Disconnect the ground cable from battery.

Fig 1: Disconnecting Ground Cable From Battery
Courtesy of SUBARU OF AMERICA, INC.
Remove the air intake chamber. < Ref. to REMOVAL , Air Intake Chamber. >
Disconnect the knock sensor connector.

Fig 2: Disconnecting Knock Sensor Connector
Courtesy of SUBARU OF AMERICA, INC.
Remove the knock sensor from cylinder block.

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