The pump part with the torque converter is hooked up to the housing. HowStuffWorks The fluid then enters the blades in the turbine, that is connected to the transmission. The turbine triggers the transmission to spin, sending electric power by means of shafts, differentials, and out on the driving wheels. https://archerrivit.blogrelation.com/40206927/details-fiction-and-torque-converter-clutch