Four misunderstandings in the use of lubricating oil

Car lubricating oil can be said to be a frequently used oil in maintenance. It can not only protect the function of the engine, but also save the cost of gasoline. It can be said to serve multiple purposes; but if used improperly, the lubricating oil is not only If it does not play a role in maintenance, it will damage our car. Today the editor is here to introduce you to the four misunderstandings in the use of lubricating oil, and I hope it will be helpful to the majority of car owners.

Misunderstanding XNUMX: Add more lubricating oil

The amount of lubricating oil should be controlled between the upper and lower scale lines of the oil dipstick. Because too much lubricating oil will escape from the gap between the cylinder and the piston into the combustion chamber and burn to form carbon deposits. These coke deposits will increase the compression ratio of the engine and increase the tendency of knocking. The coke deposits in the cylinder are red hot and easily cause pre-ignition. If they fall into the cylinder, they will aggravate the wear of the cylinder and piston, and will also accelerate the pollution of the lubricating oil. Secondly, too much lubricating oil increases the stirring resistance of the crankshaft connecting rod and increases fuel consumption.

Misunderstanding 2: When the lubricating oil turns black, it is time to change the oil

This understanding is not comprehensive. For lubricating oils that have not been added with a quiet dispersant, the darkening of the color is indeed a sign of severe deterioration of the oil, but the lubricating oil used in modern cars is generally added with a quiet decomposer. This cleanser will wash off the rubber film and black carbon deposits adhering to the piston and disperse it in the oil to reduce the generation of high-temperature deposits in the engine. Therefore, the color of the lubricating oil will easily turn black after a period of use, but at this time The oil has not completely deteriorated.

Misunderstanding XNUMX: Lubricating oil is often added and not changed

It is correct to check the lubricating oil frequently, but only replenishment without replacement can only make up for the lack of oil quantity, but cannot fully compensate for the loss of lubricating oil performance. During the use of lubricating oil, the quality will gradually decrease due to pollution, oxidation and other reasons, and at the same time there will be some consumption, which reduces the quantity.

Misunderstanding XNUMX: Additives are useful

The truly high-quality lubricants are finished products with multiple engine protection functions. The formula contains a variety of additives, including anti-wear agents, and the lubricant* pays attention to the balance of the formula to ensure the full display of various performances. Adding other additives by oneself will not only not bring additional protection to the vehicle, but it will easily react with the chemical substances in the engine oil, resulting in a decline in the overall performance of the engine oil.

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