Features of engine oil

Motor oil is a combination of petroleum base oil with some additives, such as anti-seize, anti-rust, cleaning and anti-oxidation substances. Its most important task is to lubricate and reduce the wear of engine parts during operation. Another function of engine oil is washing the inside of the engine and keeping the parts inside the engine clean from the smoke resulting from combustion along with cooling the internal parts of the engine.

From the moment the car is started to the moment it is turned off, engine oil must be continuously present in the engine of the car. The proper quality of the engine oil depends on various factors that we can reach into our pockets after examining each one of them. . Among the various factors are: Having the right viscosity Very low friction coefficient The ability to lubricate different parts and moving parts of the engine Compatibility with existing polymer compounds with good inhibitory effects against rust, corrosion, oxidation and wear Also, the oils available in the market are divided into two groups: MonoGrade and Multi-Grade, and according to the technology used in today's engines, the second group is always recommended by experts. The automotive engineering association has divided the oils on the market according to the SAE classification, as indicated by a symbol consisting of two numbers and a Latin letter. In this classification, the number before the letter W indicates the viscosity of the oil at low temperature, the lower the oil, the lower the temperature, but the next number, which indicates the viscosity at high temperature for the oil, the higher the oil. It will be more sticky at a higher temperature.

One of the important tasks of engine oil is to protect the car engine and its internal components, for this reason, the higher quality level we choose for the car engine, we actually served ourselves and our car. The American Petroleum Institute (API) has considered a special coding of two Latin letters to classify oils according to their quality and manufacturing technology, in which the letter C is for diesel cars and the letter S is for gasoline cars. The second letter indicates the quality level of the oil and starts with the letter A in English. In the sense that the letter A shows the lowest efficiency level and the increasing letters show the proper and up-to-date efficiency level of the oil. Such as SG, SJ, SL, SM and... higher performance levels have shown the amount of additives in the oil.

In the minds of most drivers, the clear color of the oil is a sign of its quality. Even if this oil has been used in their car for some time, while according to car technical experts, this issue means a big disaster for used oil. Car technical experts say that if you use motor oil in your car's engine and it does not start to change color after one or two weeks and remains clear, you should refer to the oil change and change it because this oil is not good at all.

According to the research done, this causes the used oil left inside the engine to mix with fresh oil, which is why the differences in the chemical formula It reduces the property of the new oil and causes the quick loss of the main property of the new oil we bought. Therefore, it is better to change the car oil with more patience and let the burnt oil inside the engine drain out until the last drop.

When the car engine is turned on, its temperature rises, and this increase in temperature increases the oxidation and mixing of foreign substances with the oil inside the engine, so it is natural that the oil used in the car engine loses its effectiveness after a while. and need to be replaced. Today, according to the new technologies used in the manufacture of car engines and the production of engine oil, most of the engine oils in the market can be used for more than 5000 km and up to 12000 km, but this amount depends on various factors: 1- Working conditions of the car engine (working on the spot, moving with a heavy load, high speed, driving in the cold, driving in humidity and switching on and off a lot) 2- The mechanical quality of the engine, especially the fuel system and injectors, as well as the electrical condition 3- The quality of engine oil and fuel consumption 4- The quality of air and oil filters (in today's cars, it is recommended to replace the oil filter with every oil change). 5- Type, model and year of manufacture of engine and car 6- The length of time the oil stays in the car tank.

A good engine oil while improving lubrication between parts The engine can help the useful life of the car engine. In addition, if the engine oil we use is of good quality, we can use it to help keep the engine clean.

A label is placed on the engine oil, which indicates the authenticity of the product, basically, "reputable factories from big labels" are used and the brand name along with the hologram can be seen on the engine oil container, if this is not visible on the product, then your oil does not have the required standard.

You may not believe it, but odorless engine oil is a sign of genuine oil. is the engine If when you open the lid of the oil can and a pungent smell bothers your nose, be sure that the oil is not original and is fake, or fake oil has been poured into it in the can of an original brand of motor oil.

Transparency color original engine oil Yes, and this case works in the opposite way in fake engine oils. Somehow fake engine oil absorbs all the pollution of the engine after running for 1500 to 2000 kilometers.