Exhaust Side

Disconnect the ground cable from battery.

Fig 1: Disconnecting Ground Cable From Battery
Courtesy of SUBARU OF AMERICA, INC.
Lift up the vehicle.
Remove the under cover. < Refer to REMOVAL , Front Under Cover. >
Remove the front exhaust pipe. (right side only.) < Refer to REMOVAL , Front Exhaust Pipe. >
Remove the engine harness cover. (right side only.)

Fig 2: Identifying Engine Harness Cover
Courtesy of SUBARU OF AMERICA, INC.
Disconnect the ground cable (A). (left side only)
Disconnect the connector (B) from the oil flow control solenoid valve, and remove the oil flow control solenoid valve from the cylinder head.

Fig 3: Identifying Oil Flow Control Solenoid Valve Connector And Ground Cable
Courtesy of SUBARU OF AMERICA, INC.