Intake Side

Disconnect the ground cable from battery.

Fig 1: Disconnecting Ground Cable From Battery
Courtesy of SUBARU OF AMERICA, INC.
Remove the air intake duct. (RH side only) Ref. to REMOVAL , Air Intake Duct.
Disconnect the connector (A) from the camshaft position sensor, and remove the camshaft position sensor from the chain cover.
- RH side
  
  Fig 2: Disconnecting Connector From Camshaft Position Sensor (RH Side)
  Courtesy of SUBARU OF AMERICA, INC.
- LH side
Fig 3: Disconnecting Connector From Camshaft Position Sensor (LH Side)
Courtesy of SUBARU OF AMERICA, INC.