LH Side

Remove the battery. <Ref. to REMOVAL , Battery.>
Remove the secondary air pump. <Ref. to REMOVAL , Secondary Air Pump.>
Remove the bolts that secure the air duct to the rocker cover LH, and lift the air duct.

Fig 1: Locating Air Duct Bolts
Courtesy of SUBARU OF AMERICA, INC.
Disconnect the connector from ignition coil.
Remove the ignition coil.
NOTE: Turn #4 ignition coil by 180° to remove it.

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