There are 2 main sorts of transmissions: computerized and guide. Automatic transmissions use fluid couplings instead of a clutch, and they often have far more gears than handbook transmissions. The transmission filter can help to eliminate Dust and contaminants from the automatic transmission fluid, which serves several needs, for instance: https://gregoryrogyo.bleepblogs.com/34555650/considerations-to-know-about-filter-gearbox