Knock Sensor: Removal

Disconnect the ground cable from the battery.

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

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

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