How to solve the odor of warm air tank

Give it1; There is a slight leak in the warm air tank, and most of the antifreeze tastes like you said. Not after evaporation. The 90 warm air tank can evaporate that little leakage instantly, and the leakage of plastic aluminum warm air tank is basically 70% sure. If there is little water in the expansion kettle after several days of operation, it can be directly proved now.

Turn on the warm air of about 50 degrees, and then try to see if there is any peculiar smell. If yes-the leakage of the heater water tank can be determined as100%; If it is not-try to raise the temperature to the external radiator fan (90 degrees), try to smell, 1 foreign objects fall from the air outlet or defrosting port, 2 the heating device is aging, and the aging plastic will reach the softening critical point because the water tank temperature reaches nearly 100 degrees, and the smell is hose smell.

Give points after efforts are effective,