The lack of antifreeze in the cooling system is the most common reason why the warm air is not hot. When designing the engine cooling system, engineers will give priority to engine heat dissipation, and then the warm air can work normally.
When the coolant is insufficient, the coolant will circulate in the engine first. At this time, there is no "water" in the warm air circulation pipeline, and most of the warm air tank is gas. At this time, the air conditioning warm air is naturally not hot. After adding antifreeze, the warm air tank is filled with boiling coolant, and the warm air will naturally heat up.
Extended data:
The car heater tank is introduced as follows:
There are two main reasons why the general car warm air is not hot enough after it is turned on. There is something wrong with the cooling system of the engine or the control mechanism of the warm air, which can't work normally. The owner can check the temperature of the two inlet pipes of the warm air small water tank. If both are hot enough, there is nothing wrong with the heating control mechanism. If they are all cold or hot and cold, there is something wrong with the cooling system.
The cooling system of the engine is blocked by air, which leads to the abnormal operation of the cooling circulation system of the automobile and the problem that the warm air is not hot. If the inlet pipe of the warm air small water tank is hot and the outlet pipe is cold, it means that the small water tank is blocked and needs to be replaced.
Phoenix net-the correct operation of turning on the warm air in the car. After reading it, the owner regretted knowing it was late.
Phoenix. Is the com- air conditioner heater broken in winter? It turns out that they are the culprit.