The impeller (one) is rotated by the crankshaft and it converts the mechanical energy from the crankshaft into kinetic Power by putting the fluid in motion. The control of the oil pressure within the lock-up clutch is done by way of two valves: the relay valve and also the signal https://torque-converter-clutch42962.jaiblogs.com/61254341/top-torque-converter-clutch-secrets