Do not open the lid and add water immediately. After the water in the radiator is boiling, there is a certain pressure inside. If you open the radiator water inlet immediately. Hot water will blow out and burn people.
Second bogey (open pan) immediately after the flameout. The reason why the engine is boiling is because the water temperature in the water jacket is too high. If the flame is turned off at this time, the components are in an expansion state. The gaps between the fittings are very small. After shutting down, the soft metal will fall off, and some may even cause sticking.
Third bogey In the engine temperature is too high, pouring cold water pouring the engine, can easily cause the engine block burst due to rapid cooling.
4. Avoid splashing water when the temperature of the tire is too high. When the tire temperature is too high, splash water cools. When the temperature of the tire is high, pouring cold water into the tire can cause various deformations between the layers inside the carcass, causing early damage to the tire and even stripping of the cord.