Rocker Arm Oil Pressure Switch (VTEC Oil Pressure Switch) Removal/Installation

Remove the rocker arm oil control solenoid (VTEC solenoid valve) assembly (see ROCKER ARM OIL CONTROL SOLENOID (VTEC SOLENOID VALVE) ASSEMBLY REMOVAL/INSTALLATION ).
Remove the cover (A).

Fig 1: Removing the cover & Torque Specifications
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Remove the rocker arm oil pressure switch (VTEC oil pressure switch) (B).
Install the switch in the reverse order of removal with a new O-ring (C).