The filter is usually a vital part of the transmission system, designed to stop metal shavings in the gears, and also other Grime and debris, from contaminating the transmission fluid. It sits in between the transmission pan (that collects excessive fluid) along with the tube that regulates the transmission fluid https://filter-gearbox09764.webbuzzfeed.com/34590874/5-tips-about-filter-gearbox-you-can-use-today