The torque converter is exactly what transfers energy within the motor into the gearbox. It is a fluid coupling that employs hydraulic strain to multiply the torque on the engine. The torque converter is produced up of three most important pieces: the pump, the turbine, as well as the stator. https://felixvvvsq.ampedpages.com/indicators-on-filter-gearbox-you-should-know-61046204