The filter can be a critical part of the transmission method, designed to avert metallic shavings in the gears, and also other dirt and debris, from contaminating the transmission fluid. It sits amongst the transmission pan (that collects excess fluid) along with the tube that regulates the transmission fluid stress. https://johnnyuenwc.blognody.com/35905376/not-known-factual-statements-about-filter-gearbox