There are 2 major varieties of transmissions: automated and handbook. Automated transmissions use fluid couplings in lieu of a clutch, and they often have much more gears than handbook transmissions. A bad transmission filter will induce your gears to grind on one another as well as your car or truck https://filter-gearbox80122.frewwebs.com/34616858/indicators-on-filter-gearbox-you-should-know