What should I do if the car has cold and cold in the winter?
Winter is coming. The warm car is a reliable guarantee for our usual trips. What if the car has insufficient heating? The reporter learned from the after-sales service department of the automobile dealer that the shortage of the vehicle warm air system is divided into two reasons: one is the engine cooling system, and the other is the cause of the poor operation of the heater control mechanism. When repairing, first determine what the cause is and then perform appropriate repairs. The method of discrimination is very simple. Look at the temperature of the two inlet pipes of the small warm water tank. If the two pipes are hot enough, it means that the air volume control mechanism is a problem. On the contrary, if the two water pipes are cool, or it is a hot one. Cool, indicating the problem of the cooling system. Possible problems with the cooling system: 1. The thermostat is normally open or the thermostat is opened prematurely, which causes the cooling system to prematurely cycle. The outside temperature is very low. Especially when the car runs up, the cold wind quickly cools the antifreeze. The engine water temperature is not Come, the warm wind will not be hot. 2. The impeller of the pump is damaged or thrown away, so that the flow through the small tank of warm air is not enough, and the heat cannot come. 3, the engine cooling system has air resistance, air resistance leads to poor circulation of the cooling system, resulting in high water temperature, warm air is not hot fault. If the cooling system always has gas, it is likely that the cylinder pad is damaged to the cooling system; if the inlet pipe of the warm water tank is hot, and the outlet pipe is cool, this situation should be a blockage of the small warm water tank. Should replace the heater small water tank. Air volume control mechanism issues: 1, the car's warm air is the use of a blower to blow the heat of the small heating tank into the cab, if the air volume is not enough or cold and hot air distribution is not good, so that the heat of the small heat tank water distribution does not come out, can also cause warm air The temperature does not come. In this case, first check the filter for dirty plugging, clean it up, and replace it if necessary. 2. Check the operation status of each position of the blower, and each gear must reach a sufficient speed. If the knob is adjusted to the warm air position, the air volume is large enough, the wind direction is normal, and the cool air is blown out. Check whether the control flap pull wire of the hot air box is off, whether the warm air impeller is damaged, whether the flap is detached, etc. The warm air will heat up after troubleshooting.
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