Intake Side

Disconnect the ground cable from battery.

Fig 1: Disconnecting Ground Cable From Battery - Intake Side
Courtesy of SUBARU OF AMERICA, INC.
Remove the air intake duct. (RH side only) < Ref. to REMOVAL , Air Intake Duct. >
Remove the reservoir tank. (LH side only) < Ref. to REMOVAL , Reservoir Tank. >
Disconnect the connector (A) from the oil control solenoid, and remove the oil control solenoid from the chain cover.
- RH side
  
  Fig 2: Identifying Oil Control Solenoid Connector With Bolts (RH Side)
  Courtesy of SUBARU OF AMERICA, INC.
- LH side
  
  Fig 3: Identifying Oil Control Solenoid Connector With Bolts (LH Side)
  Courtesy of SUBARU OF AMERICA, INC.