All transmissions have two major components: the gearbox along with the torque converter (or in the situation of a manual transmission, a clutch). The gearbox is responsible for basically shifting the gears, when the torque converter helps you to transfer the power from the engine for the gearbox. Listen to https://filter-gearbox62615.blog-ezine.com/34231210/details-fiction-and-filter-gearbox