Pump (Impeller): The driving member that's connected for the motor. It spins Along with the motor and moves transmission fluid throughout the torque converter. The control of the oil tension from the lock-up clutch is completed by means of two valves: the relay valve as well as the signal valve. https://louisybayu.eedblog.com/34351791/the-greatest-guide-to-torque-converter-clutch