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 rocker arm oil pressure switch (VTEC oil pressure switch) (A).

Fig 1: Removing Rocker Arm Oil Pressure Switch And Torque Specifications (VTEC Oil Pressure Switch)
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Install the switch in the reverse order of removal with a new O-ring (B).