To change the gear, the torque converter disengages the motor and also the gearbox and makes stress working with transmission fluid. The tension generated is then used to travel the Solar, planetary, and ring gears, which meshes the gears with each other such as guide to achieve the required velocity. https://komponengearboxauto04603.livebloggs.com/40579927/komponen-gearbox-auto-for-dummies