Radiator Fan Switch Replacement

Drain the engine coolant (see COOLANT CHECK ).
Remove the splash shield.
Disconnect the radiator fan switch connector, then remove the radiator fan switch (A).

Fig 1: Disconnecting Radiator Fan Switch Connector And Torque Specifications
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Install the radiator fan switch with a new O-ring (B).
Refill the radiator with engine coolant, and bleed air from the cooling system with the heater valve open (see step 7 on COOLANT REPLACEMENT ).