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Anonymous users2024-02-06Hello: Engine oil is mainly composed of the optimal combination of base oil, viscosity index enhancer and various additives. Different brands of engine oils, even if they have the same type and viscosity level, but the base oil or additive composition will be different to a certain extent, such as anti-dispersants, anti-high temperature precipitants, anti-rust agents, anti-oxidants, etc.
The mixing of different brands of engine oil, under certain conditions, may form cotton wool and particles, causing oil passage blockage and increased wear.
Even if the same brand and grade, but the viscosity grade is different, the base oil may be different, and the new lubricant needs to be verified to match the additives in other viscosity grades, and it is not recommended to blend.
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Anonymous users2024-02-05Is the mixing of different brands of engine oil harmful to the engine? If you don't understand, don't mess around.
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Anonymous users2024-02-04You can mix it, but it's not recommended, and if it's for "emergency", you can deal with it. It should be noted that no matter how many engine oils are mixed, the oil label and grade need to be the same, such as the same fully synthetic 5w-30 or the same fully synthetic 5w-40.
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Anonymous users2024-02-03It is best not to mix different brands of engine oil, each manufacturer's products are different, which is not good for the machine! It's best to clean up the old oil and add new oil from the new one!
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Anonymous users2024-02-02Hello, the current number of people consulted may not reply in a timely manner, if it is a vehicle failure problem, it is recommended to use the computer to detect the specific cause of the failure, search for "car master" can consult car problems at any time, 24 hours ** answer.
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Anonymous users2024-02-01Different brands of motor oil should not be mixed. Different brands and grades of engine oil are added with different additives according to the working characteristics of various engines and the requirements of the working environment, so that its viscosity, wear resistance, corrosion resistance, knock resistance and volatility are different. After mixing, it may degrade the performance of the oil and even cause damage to the engine.
The following are the reasons why the oil cannot be mixed: 1. The mixing of new and old engine oil will reduce the performance: the old engine oil contains a large number of oxidizing substances, and when the new engine oil is mixed with the old engine oil, the oxidation and deterioration rate of the new engine oil will increase, thereby reducing the use effect and use time of the new engine oil.
2. Turbidity in oil mixing: different brands and different grades of engine oil can not be mixed, due to the different chemical additives in different brands and different grades of engine oil, these chemical additives sometimes react, reduce the lubrication effect, and produce acid-base compounds to aggravate the corrosion of engine parts.
Mixing engine oil is not possible, even if it is the same label, each manufacturer's formula is different, and mixing may lead to oil deterioration and cannot protect the engine, causing damage. There is no need to buy them in the auto repair factory with your own engine oil, and the individual has always brought his own higher quality imported German GT fully synthetic engine oil to change, which is better than the original oil, and it is easy to drive 15,000 kilometers, and you can drive one or two thousand kilometers more.
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