The pump is linked to the engine, and it pumps fluid (regular oil) in to the torque converter. The turbine is linked to the gearbox, and it spins once the fluid with the pump hits it. A foul transmission filter will cause your gears to grind on each other along https://lorenzobpcra.blogpixi.com/34341014/helping-the-others-realize-the-advantages-of-filter-gearbox