In daily car maintenance, the antifreeze liquid needs to be checked regularly for the margin, ifdiscoverIf the antifreeze is insufficient, it should be replenished in time. When adding antifreeze, you need to pay attention to the shelf life of the antifreeze. Generally, the shelf life of the antifreeze is 2 years. Some long-term antifreeze may have a longer shelf life. Can the antifreeze be used after three years?
It stands to reason that if the antifreeze has been stored for three years, it can be used if it does not exceed the shelf life. The antifreeze that exceeds the shelf life will deteriorate and produce impurities, and some internal chemical components may fail, which will affect the cooling system or the engine to a certain extent and cannot be used. Moreover, the antifreeze will not extend the shelf life because it is unopened.
Vehicle antifreeze is generallyIt needs to be replaced every 2 years or 40,000 kilometersOf course, this is only a reference period, because the driving conditions of each vehicle are different, and the specific replacement should be selected according to the actual use. Check the use of antifreeze. If you find that the antifreeze is insufficient, add it in time.
If the antifreeze is insufficient, pay attention when adding it by yourself. Do not add too much or too little, just add it between the highest and lowest water level scales. Do not use tap water with antifreeze, because the freezing point of water is low and the water contains Impurities can easily form scale and cause clogging. Antifreeze can not be mixed. Different brands and models of antifreeze may have different formulations. If mixed, multiple chemical components may react, which will affect the effectiveness of the antifreeze.
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