What is the maintenance of the car?
Change engine oil
During the operation of the engine, especially in high-speed operation, the friction between the internal parts of the engine is very large, in order to reduce the "hard" friction collision between them and reduce mechanical wear, it is necessary to regularly replace the appropriate oil and maintain sufficient lubrication.
The engine is mainly divided into diesel engine and gasoline engine, in general, diesel and gasoline engine oil can not be mixed, but there is a general purpose oil. Like the 5W-40 SL/CF is a general purpose engine oil that can be used in diesel and gasoline engines.
Oil is divided into mineral oil, semi-synthetic oil and fully synthetic oil.
Mineral oils are made from mineral oils extracted from petroleum and then additives are added. Mineral oil is the most common, the overall performance is general, the price is the cheapest, mainly used for low-end models, the general vehicle every 5000 kilometers or half a year to change, the time and the number of kilometers first prevail;
Fully synthetic oil is a chemical synthesis of oil, the cost is high, its high and low temperature, high-speed lubrication effect is very prominent, generally used in high-end models. Turbocharged models because of their high speed and large torque changes, are basically recommended to use fully synthetic oil.
A full synthetic oil is replaced every 10,000 kilometers or a year, which is more durable and has a longer replacement cycle than mineral oil.
What is the difference between using mineral oil and synthetic oil?
An interesting analogy can be used to explain the dissolute howl of the engine sound when using mineral oil, and the muffled groan when using synthetic oil.
Semi-synthetic oil is between mineral oil and fully synthetic oil, and is itself composed of mineral oil and fully synthetic oil mixed in a 4:6 ratio. It is usually changed every 7,500 kilometers or nine months.
Personally recommend natural aspirated models choose semi-synthetic oil, which has the highest comprehensive cost performance: Turbocharged 9 models recommend the use of fully synthetic oil, which can provide the most comprehensive protection for the engine.
Time or kilometers to replace the oil as soon as possible, it is best not to exceed 1000-2000 kilometers, more than 2000 kilometers because of the decline in oil lubrication protection, continued use will damage the engine.
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