Intake Side

Remove the collector cover.
Disconnect the ground cable from battery.
Disconnect the connector from the intake oil flow control solenoid valve RH.

Fig 1: Identifying Intake Oil Flow Control Solenoid Valve Connector (RH)
Courtesy of SUBARU OF AMERICA, INC.
Remove the intake oil flow control solenoid valve RH.

Fig 2: Identifying Intake Oil Flow Control Solenoid Valve (RH)
Courtesy of SUBARU OF AMERICA, INC.
Remove the intake oil flow control solenoid valve LH in the same procedure as RH.