Shanghai Huapu: The heater box car is running normally, and there is a sound of water flowing at the lower air outlet of the co-pilot. What's the problem?

2. If it is coolant, it will have color, and the loss of coolant will affect the high water temperature.

3. If it is air-conditioned water, the flowing liquid is relatively cold and there is no air conditioning.

4, no matter what kind, we must pay close attention to maintenance, so as not to cause unnecessary losses.