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 FRONT UNDER COVER .
Remove the center exhaust pipe. (LH side only) Refer to CENTER EXHAUST PIPE .
Remove ground cable (A) from the engine harness cover, and remove the engine harness cover from the engine. (LH side only)

Fig 2: Identifying Ground Cable And Mounting Screws
Courtesy of SUBARU OF AMERICA, INC.
Disconnect the connector from the oil flow control solenoid valve, and remove the oil flow control solenoid valve from the cylinder head.

Fig 3: Locating Oil Flow Control Solenoid Valve Mounting Bolt
Courtesy of SUBARU OF AMERICA, INC.