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The weather is warm, is it right? Do you think you can not use antifreeze?
Looking at the gradual warming of the weather, just get rid of the autumn pajamas who are beginning to play in the antifreeze on the smart? Warmer you can not use antifreeze? After reading this article you will think so ~ ~
Antifreeze effect
Engine at work will produce a lot of heat, while the appropriate temperature can ensure that the car engine at a very suitable operating temperature. When the engine temperature is too high, it will lead to reduced efficiency, and even parts failure. Therefore, we need a cooling system to cool the engine to ensure a suitable operating temperature. Generally in the cooling system, we will add special coolant to help cool. Then qualified coolant to meet what the requirements? What is the role of coolant? Let's take a look.
1, antifreeze: In the case of low temperature, to ensure that the vehicle cooling system is not frozen, antifreeze commonly used antifreeze temperature is freezing point between -20 ℃ ~ -45 ℃, often according to different regions The actual needs of a reasonable choice to meet the requirements.
2, anti-boiling: in the case of high temperature to ensure not premature boiling, commonly used antifreeze boiling point 104 ℃ -108 ℃, and when the antifreeze into the cooling system and the pressure, the boiling point will be higher.
3, anti-corrosion: special antifreeze can reduce the corrosion of the cooling system, thereby reducing the cooling system is rust caused by the "water" problem.
4, rust: high-quality antifreeze can avoid the occurrence of rust cooling system, if the cooling system will lead to accelerated wear and tear and reduce the heat conduction efficiency.
5, anti-scaling: As the coolant is used in deionized water, it can prevent the formation of scaling and precipitation, thus protecting the engine.
Occasional problems of replacing antifreeze
Antifreeze for a long time do not change, including the anti-corrosion, anti-rust and anti-scaling function will be reduced, this will result in cooling system failure or even rust. In general, antifreeze is generally changed every 2 years.
In fact, it is unscientific for many drivers to use water instead of antifreeze in the summer. In particular, it is strictly forbidden to use water instead of lubricating liquid to prevent frost damage. If summer owners replaced tap water with antifreeze, they should have a full cleaning of the car's water tank and then antifreeze. Maybe you did not show any impact on the use of running water in the summer, but the corrosion of the tank on the ditches is always there. After the arrival of winter, be sure to determine the antifreeze height is enough, the general antifreeze life of 2 years, pay attention to the cooling system for a period of time after the replacement of leakage.
Various types of antifreeze due to the preparation of the ratio, composition, the freezing point is not the same, should be based on local conditions to choose temperature. South should choose the type of low temperature resistant antifreeze, the concentration should be maintained at about 70%; In addition, the level of antifreeze added to the water tank generally from the nozzle about 10 mm is appropriate, too much and too little, Are likely to cause hidden danger cooling system, if it is the year to buy a new car, no need to replace the antifreeze; If the vehicle has been used for more than two years, you need to be replaced in time antifreeze.
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