A solenoid can be a linear electrical actuator. When is becoming energised (equipped with electric Vitality) it pushes or pulls a rod that's connected to the hydraulic valve. There are differing types of solenoid employed for torque converter clutch control, however the principle of Operating is basically the exact same. https://torqueconverterclutch82691.win-blog.com/14522886/5-tips-about-torque-converter-clutch-you-can-use-today