Pump (Impeller): The driving member that may be connected for the engine. It spins Together with the engine and moves transmission fluid throughout the torque converter. F (totally free-move stage): at this time there's no load on the turbine, the speed ratio is rather near one, meaning the turbine speed https://jasperckmnm.blue-blogs.com/41595860/the-best-side-of-torque-converter-clutch