Morning car, open the wind to take the white water vapor exports. Model: Jetta GIX mileage: 86000 km
    Symptom: the morning after the car, the water temperature is normal (90 ℃), open the heater, the outlet out of white water vapor.
    Failure check: According to the owner said that the morning after the hot car hot air, the outlet to take white smoke, for a while no. After the test found that the smoke out of the white smoke is water vapor, and with antifreeze odor, a water vapor will disappear, the warm air work properly, according to the outlet blowing white water vapor, the initial judgment for the warm water tank caused by leakage. So check the antifreeze is water, open the cabin cover, look at the water level in the bottom line, there is a loss of water. At this time, in order to prove that the warm water tank leakage, only to remove the dashboard and bellows to see the warm water tank. Negotiated with the owner, remove the dashboard and bellows, in the wind box removed, the red antifreeze outflow. So open the bellows out of the warm water tank. Found that there are leaks at the opening point, then prove that the warm water tank leakage, hot car, the outlet to take the water vapor to change the warm water tank, the test, troubleshooting.
    Failure analysis: the warm water tank leakage, the water in the bellows, when the temperature increases, the water into water vapor. As the blower is not open, the water vapor stays in the bellows and duct, and when the blower is running, the water vapor is blown out of the bellows, and the water vapor is white.