The pump is connected to the motor, and it pumps fluid (regular oil) in the torque converter. The turbine is connected to the gearbox, and it spins in the event the fluid within the pump hits it. The filters reduce these contaminants from moving into the transmission and wreaking havoc. https://filter-gearbox79999.verybigblog.com/33296538/little-known-facts-about-filter-gearbox