The filter is actually a critical part of the transmission process, created to avoid metal shavings through the gears, together with other dirt and particles, 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://sergiogmpml.blogproducer.com/41137489/how-much-you-need-to-expect-you-ll-pay-for-a-good-filter-gearbox