The impeller (1) is rotated via the crankshaft and it converts the mechanical Electrical power in the crankshaft into kinetic energy by putting the fluid in motion. The Charge of the oil stress in the lock-up clutch is completed by two valves: the relay valve as well as sign valve. https://torque-converter-clutch54218.verybigblog.com/33440873/the-5-second-trick-for-torque-converter-clutch