RH Side

Remove the clip (A), lift the front of the collector cover in the direction of arrow, and then remove the collector cover.

Fig 1: Removing Front Collector Cover
Courtesy of SUBARU OF AMERICA, INC.
Disconnect the ground cable from battery.
Remove the intake manifold. < Ref. to REMOVAL , Intake Manifold. >
Remove the fuel pipe insulator No. 3. < Ref. to FUEL PIPE INSULATOR NO. 3 , REMOVAL, Fuel Insulator. >
Disconnect the connector (A) from the knock sensor, and remove the knock sensor from the cylinder block.

Fig 2: Locating Knock Sensor Connector And Mounting Bolt
Courtesy of SUBARU OF AMERICA, INC.