What is the reason why the car heater is not hot (1)

1, water tank scale The water temperature in the water tank is always kept at a high temperature, which will combine the hydrocarbon groups in the water with calcium and magnesium plasma to form water-insoluble calcium carbonate and magnesium carbonate, commonly known as water alkali. Then, with the continuous evaporation and concentration of water, the water-alkali content increases and reaches saturation, thus forming scale.

2. Engine Coolant Engine coolant takes away the heat generated by the engine and supplies the heat to the car through the warm air box. If the engine coolant is lost, it will cause problems in heating the heater. First, we can check whether cooling is missing.

3, the engine temperature is too low When the engine temperature is too low, the warm air in the car is not hot enough. It can accelerate the vehicle, make the engine run faster and raise the engine temperature.

4. The thermostat is often opened or opened too early, which leads to the large circulation of the cooling system too early, and the outside temperature is very low. Especially when the car is driving, the cold air will soon cool the antifreeze, the engine water temperature will not come up, and the warm air will not be hot.

5, antifreeze is insufficient, especially when some cars have a gas door, the warm air will be hot, and the warm air will not be hot when the gas door is not full. The first thing to consider is the lack of antifreeze, which is a very simple problem.

However, many car owners never check themselves and drive directly to the repair shop. When you meet a kind master, they will add antifreeze to solve the problem. However, once they meet a mechanic when cheating, they will fool you into changing places and spending a lot of money.