Knock Sensor: Removal

Disconnect the ground cable from battery.

Fig 1: Disconnecting Ground Cable From Battery
Courtesy of SUBARU OF AMERICA, INC.
Remove the intercooler. Refer to REMOVAL , Intercooler.
Disconnect the knock sensor connector.

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

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