The pump is linked to the engine, and it pumps fluid (normal oil) to the torque converter. The turbine is connected to the gearbox, and it spins when the fluid with the pump hits it. An automatic transmission is one of the costliest components of quickly shifted cars and trucks. https://filtergearbox23208.blogocial.com/5-tips-about-filter-gearbox-you-can-use-today-69840785