The pump is connected to the engine, and it pumps fluid (normal oil) in to the torque converter. The turbine is connected to the gearbox, and it spins if the fluid with the pump hits it. Rxmechanic.com is a participant from the Amazon Solutions LLC Associates Program, an affiliate advertising https://filtergearbox35544.dailyhitblog.com/39513338/filter-gearbox-an-overview