Pump (Impeller): The driving member that's attached to the motor. It spins Together with the motor and moves transmission fluid within the torque converter. A lock-up torque converter includes a built-in locking clutch system. After the transmission senses a certain velocity or engine RPM, the torque converter will use the https://lukashtvww.blogminds.com/torque-converter-clutch-an-overview-31383689