Winter car maintenance car lubricants are essential

　　As the weather turns cooler, ordinary lubricating oils will become thicker at low temperatures, and their fluidity will be weakened, making it difficult to start the vehicle and increasing wear and tear.Therefore, car owners who use ordinary lubricating oil must not forget to change the oil in their car.

General lubricants are**

The lubricating oil should be selected according to the requirements of the engine. You can neither use too high-grade engine oil on engines with lower requirements, nor use lower-grade engine oil on engines with higher requirements.The choice of lubricating oil can be increased by one level on the basis of the manufacturer’s recommendation, or the performance of synthetic engine oil is better.

In addition, motor oils for winter and summer are now available on the market.The general-purpose engine oil can maintain stable lubrication performance no matter how the temperature changes, and has a better protective effect on the engine.Therefore, this oil is the best choice.

If the engine is new or in good condition, use low-viscosity oil as much as possible, such as 0W-40, 5W-40, and 10W-40, so as to make the lubricating oil flow faster and reduce the wear when starting.If it is in the high temperature season or the engine has worn to a certain degree, it is necessary to choose high-viscosity oil, such as 15W-50, etc., which is conducive to forming a thicker oil film, maintaining oil pressure, and reducing oil consumption.

No need to add additives in lubricating oil

Experts said that it is generally not recommended to add additives to lubricating oil.Because the lubricating oil itself is composed of base oil and additives, its formulation has been tested and screened.Adding additives may be counterproductive, not only reducing the original cleaning and anti-wear functions of the lubricating oil, but also increasing sludge and carbon deposits, affecting the performance and service life of the engine.

Professionals remind that when replacing the lubricating oil, the lubricating oil filter element generally needs to be replaced, so that the newly replaced lubricating oil can perform better.Lubricant products of different brands cannot be mixed.

There are tricks to distinguish good from bad

At present, there are many fake products on the market. Many car owners can’t distinguish the quality of lubricating oil. Now I will teach you a few tricks. **To observe.If the oil is clear and yellowish-brown, it means its quality is good; if the color is turbid or emulsified, it means that it contains more water; if the oil has a burning smell, it means that it is prematurely oxidized or mixed with other oils.The second is to check if there is any sediment. It is definitely not a good oil.Third, you can drop the engine oil on the iron plate or exhaust pipe above 110°C. If there is a popping sound, it means that the engine oil contains moisture.

In fact, the *insurance is to go to a designated dealer, a major brand gas station or a repair shop to purchase or change the oil.

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