The impeller is connected to the housing and also the housing connected to the motor shaft. It's curved and angled vanes. It rotates Together with the engine speed and is made of automated transmission fluid. When it rotates Using the engine, the centrifugal power can make the fluid go outward. https://mylesbdcaw.weblogco.com/34371852/considerations-to-know-about-torque-converter-clutch