Pump (Impeller): The driving member that is definitely hooked up on the motor. It spins with the engine and moves transmission fluid inside the torque converter. The Torque Converter Clutch (TCC) mechanically locks the engine towards the transmission by connecting the impeller Together with the turbine via a damp clutch. https://torque-converter-clutch21728.blogspothub.com/33344940/the-2-minute-rule-for-torque-converter-clutch