Modern torque converters use electro hydraulic Handle with the lock-up clutch. The hydraulic circuit which locks/unlocks the torque converter clutch is managed working with hydraulic valves. The valves are actuated right or indirectly by solenoids. Nonetheless, Like several mechanical component, torque converters can have on out or malfunction with time. https://torqueconverterclutch36778.bloggosite.com/40885853/the-best-side-of-torque-converter-clutch