Bearings are what enable the gears to rotate effortlessly. They are typically manufactured away from bronze or brass, they usually fit into races (or grooves) in the gearbox housing. Which is why manufacturers came up with internal filters. These filters can be found on several modern day automatic transmissions. Inner https://filtergearbox01233.bcbloggers.com/33257248/the-2-minute-rule-for-filter-gearbox