Exhaust Side

Set the vehicle on a lift.
Disconnect the ground cable from battery.

Fig 1: Identifying Battery Ground Cable
Courtesy of SUBARU OF AMERICA, INC.
Lift up the vehicle.
Remove the under cover.
Remove the front exhaust pipe. (Right side only) Ref. to REMOVAL , Front Exhaust Pipe.
Remove the engine harness cover. (Right side only)

Fig 2: Identifying Engine Harness Cover And Bolt
Courtesy of SUBARU OF AMERICA, INC.
Disconnect the ground cable (A). (Left side only)
Disconnect the connector 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 And Ground Cable With Mounting Bolts
Courtesy of SUBARU OF AMERICA, INC.