To alter the gear, the torque converter disengages the engine and also the gearbox and generates stress utilizing transmission fluid. The tension created is then utilized to generate the Sunlight, planetary, and ring gears, which meshes the gears together just like the handbook to obtain the expected speed. This doc https://komponen-gearbox-auto57532.actoblog.com/34859866/komponen-gearbox-auto-an-overview