RH Side

Disconnect the ground terminal from battery sensor. Ref. to BATTERY
NOTE: Repair Contents.
Remove the air cleaner element and the air cleaner case (rear). Ref. to REMOVAL , Air Cleaner Element.
Disconnect the connector from ignition coil.
NOTE: While pressing the spring (a) shown in the figure, slide it in the direction of the arrow with a clip remover.

Fig 1: Pressing Spring
Courtesy of SUBARU OF AMERICA, INC.
Remove the ignition coil.

Fig 2: Locating Ignition Coil Bolts
Courtesy of SUBARU OF AMERICA, INC.
Remove the spark plug with a spark plug socket.