How to choose lubricating oil in summer

The temperature is high in summer, and improper oil selection can easily cause low oil pressure, which can damage the engine in severe cases. Therefore, in summer, vehicles must pay attention to the correct selection and use of lubricating oil.

How to choose lubricating oil in summer

• Firstly,when the engine operates at high temperatures, the antioxidant stability of the lubricating oil deteriorates, exacerbating its thermal decomposition, oxidation, and polymerizationAt the same time, dust in dry air and moisture in humid air enter the engine oil pan to contaminate the lubricating oil, making it prone to deterioration.
• Secondly,the viscosity of lubricating oil changes with the increase of temperature, which means that the viscosity of lubricating oil decreases when heated, which can easily cause excessive consumption of lubricating oil.
• Thirdly,when the engine operates at high temperatures, metal parts experience significant thermal expansion. The normal fit clearance between parts decreases and wear intensifies. At the same time, high-temperature running engines adhere carbon deposits and gums on the parts, causing the thermal properties of metal parts to deteriorate. This will cause damage to the acceleration mechanism. In addition, due to overheating of the engine, the oil becomes thinner, the oil pressure decreases, and the formation of a lubricating oil film is not easy, which also accelerates the wear of the components.

Suggeations:

So in summer, special attention should be paid to regularly checking the oil dipstick, and if there are any defects, they should be replenished in a timely manner. It is necessary to regularly check the oil pressure and select suitable lubricating oil.
In addition, in summer, under the condition of ensuring sufficient lubrication, lubricants with corresponding viscosity should be selected based on the temperature range during use, engine temperature, and actual vehicle conditions.

At the same time, it is recommended to choose high-quality full synthetic oil as far as possible. Compared to general mineral oils, synthetic oils have little variation in viscosity with temperature. At the same time, it is recommended to choose high-quality full synthetic oil as far as possible. Compared to general mineral oils, synthetic oils have little variation in viscosity with temperature. It can still maintain an appropriate viscosity at high temperatures.

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