Why should the oil and oil filter be changed regularly?

As we all know, the oil is a very critical part of car maintenance, however, the market spread a variety of statements about the oil change is also a variety of, so why should regularly replace the oil and oil filter!

First, we need to understand: why should we change the oil???

The engine oil itself contains a certain amount of colloids, impurities, moisture and additives. At the same time, during the working process of the engine, the introduction of metal wear debris, the entry of debris in the air, and the production of engine oil oxides make the debris in the engine oil gradually increase.
 

Second, when is the best time to change the oil???

The time for us to change the oil is generally based on kilometers and time. We listen to the old driver or read the manual. We will generally give us a recommended value. For example, ordinary mineral oil is changed every 5000 kilometers or every six months., Semi-synthetic engine oil is changed every 7500 kilometers, and fully synthetic engine oil is changed every 10000 kilometers. These standards are indeed correct, but we also have to decide according to actual road conditions, if we add a barrel of oil with a shelf life of only three months, we must replace it even if it does not reach these kilometers!

Third, why is oil change important for car maintenance???

Under normal circumstances, the life of a car engine is generally about 10-20 years. The better the maintenance, the longer the life. The oil (lubricating oil) is responsible for lubrication, cooling, cleaning, corrosion protection and sealing in the protection of the engine. Important role, and only clean engine oil can complete the above work.
 

Fourth, what should I pay attention to when changing the oil???

The function of the oil filter is to filter out debris, colloids and moisture in the oil, and deliver clean oil to each lubrication part. Therefore, the oil should be replaced at the same time as the oil filter.

Fifth, what are the benefits of replacing the oil and oil filter at the same time???

Usually replacing the oil and the oil filter at the same time is conducive to grasping the oil filter replacement cycle, and it is also an effective way to keep the oil circuit clean. It is also easy for technicians and consumers to remember the replacement time. It can be seen that it is necessary to ensure the effective functioning of the oil. The cleanliness of the oil is very important. A good oil filter makes car maintenance get twice the result with half the effort.