LH Side

Disconnect battery ground cable.

Fig 1: Disconnecting Battery Ground Cable
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Disconnect washer motor connector.

Fig 2: Disconnecting Washer Motor Connector
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Disconnect rear window glass washer hose from washer motor, then plug connection with a suitable cap.
Remove the two bolts which hold the washer tank, then take the tank away from the working area.

Fig 3: Holding Washer Tank
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Remove spark plugs cord by pulling boot, not cord itself.

Fig 4: Identifying Spark Plugs Cord
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Remove spark plug with the spark plugs socket.

Fig 5: Removing Spark Plug With Spark Plugs Socket
Courtesy of SUBARU OF AMERICA, INC.