A solenoid is a linear electrical actuator. When is becoming energised (provided with electric powered Electrical power) it pushes or pulls a rod which happens to be linked to the hydraulic valve. You will find differing types of solenoid useful for torque converter clutch control, although the theory of working https://torqueconverterclutch19741.creacionblog.com/33799385/torque-converter-clutch-an-overview