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防冻液失效腐蚀缸体后与机油混合乳化

来源:https://www.smxnykj.com/ 发布时间:日期:2022-11-24
要普及一下,防冻液全称应该叫防冻冷却液,顾名思义,具有冬天防冻、夏天防沸的功能,能保护发动机的冷却系统,改善散热效果,提高发动机效率。不过很多新手小白想当然的认为防冻液只是防冻,到冬天检查一下,不用更换,加一点就好了。但随着车辆的使用年限上升,防冻液老化和消耗同样也会引起许多故障和问题。
It should be popularized. The full name of antifreeze should be antifreeze coolant. As the name implies, it has the functions of antifreeze in winter and anti boiling in summer. It can protect the engine cooling system, improve the heat dissipation effect and improve the engine efficiency. However, many novices, Xiaobai, take it for granted that the antifreeze is just antifreeze. They should check it in winter and do not need to replace it. Just add a little more. However, as the service life of vehicles increases, the aging and consumption of antifreeze will also cause many failures and problems.
一辆4年10多万公里的车出现防冻液腐蚀缸体导致机油进入混合乳化(下图为当时的实拍照片),不知道这个要是换做终身免维护防冻液,会不会放出来更加可怕。
A car with a length of more than 100000 km in 4 years had antifreeze corroding the cylinder block, causing the oil to enter the mixed emulsion (the picture below is the real picture at that time). I don't know if this antifreeze would be more terrible if it was replaced with a life-long maintenance free antifreeze.
防冻液失效腐蚀缸体后与机油混合乳化
The antifreeze is mixed and emulsified with engine oil after it fails to corrode the cylinder block
1、增加磨损
1. Increased wear
老车主们都知道,冬天时发动机水温还没有上来前尽量不要急加速。这是因为发动机低温时,机油还没达到工作温度,那带来的磨损也会比正常水温高出不少。就如嘉实多磁护机油广告说的“未启动,先保护”其实说的就是机油低温和冷启动磨损阻力问题。
Old car owners all know that in winter, try not to accelerate quickly before the engine water temperature has come up. This is because when the engine is cold, the engine oil has not reached the operating temperature, and the wear will be much higher than the normal water temperature. As Castrol's advertisement for magnetic protection engine oil says, "protect before starting", it actually refers to the problem of low temperature of engine oil and cold start wear resistance.
2、发动机爆震
2. Engine Knock
车辆的散热水道又没有机油一样通过机油滤清器来过滤杂质,防冻液一旦变质就容易在水道内堆积污垢,让发动机散热效果不均衡。冷的地方活塞正常工作,热的地方出现爆震,这种“一静一动”可不是发动机可以承受的,损坏也是迟早的事。
There is no oil in the vehicle's cooling water channel to filter impurities through the oil filter. Once the antifreeze deteriorates, it is easy to accumulate dirt in the water channel, making the engine's cooling effect uneven. The piston works normally in a cold place, and the detonation occurs in a hot place. This kind of "static and dynamic" is not acceptable for the engine, and the damage will happen sooner or later.
3、腐蚀缸体
3. Corrosion of cylinder block
以下这张照片,这是一位防冻液只加不换的车主,用的虽然是正规防冻液,但缸体还是产生了锈蚀,造成发动机水道混进了机油导致拉缸。
In the following photo, this is a car owner who only added antifreeze but did not change it. Although he used regular antifreeze, the cylinder block was still rusted, which caused the engine water channel to mix with oil and cause cylinder scuffing.
发动机缸体水道都有不同程度腐蚀
The water passages of the engine block are corroded to varying degrees

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