To change the gear, the torque converter disengages the engine as well as the gearbox and makes stress employing transmission fluid. The tension created is then used to generate the Solar, planetary, and ring gears, which meshes the gears alongside one another such as handbook to attain the needed velocity. https://komponengearboxauto22838.bloggazza.com/33181769/komponen-gearbox-auto-an-overview