What is the problem with insufficient engine coolant?

[DiElliot]

Engine coolant deficiency may occur due to the following reasons: 1. Leakage or evaporation caused by poor sealing. 2. When the water temperature rises, the steam inside the water channel pushes the coolant out of the reservoir. 3. Poor performance of the water pump or thermostat can lead to high water temperature in the circulation system, causing excessive pressure in the radiator and cooling system, which results in coolant flowing out from the reservoir. Precautions for using coolant are as follows: 1. Mixing coolant with water can damage the engine. 2. Avoid mixing different types of coolant together. 3. Remember to check the coolant regularly. Below is some relevant information about coolant: The main function of coolant is to cool the engine, and it also has other functions such as preventing rust. It is mainly composed of a mixture of water, ethylene glycol, propylene glycol, and other compounds, with specific boiling and freezing points. Particularly important is the freezing point of the coolant, which is usually below minus forty degrees Celsius.