Car oil maintenance is periodic, and the oil must be changed when the number of kilometers is reached or the time point is reached. So why is it necessary to change the oil filter while changing the oil ?
First of all, what is the role of machine filtration?
Automobile machine filter is also called “oil filter”. The function of machine filter is to filter impurities in the oil flowing in the lubrication system. After the engine has been running for a period of time, some impurities will be produced.
These impurities are mainly divided into two categories: one is the metal scraps worn down by engine parts during operation; the other is the black muddy organic matter (carbon deposits) produced by chemical changes in the engine oil at high temperatures during engine operation. These impurities will be mixed in the engine oil and move around with the engine oil in the lubrication system.
So, must the oil filter be replaced at the same time as the oil maintenance?
Yes, it must be replaced. If the engine filter is not replaced, about 25% of the pollutants in the old engine filter will re-enter the oil cycle, which will not only increase the chance of engine wear, but also reduce the performance of the new engine oil. Therefore, when replacing the oil, the filter must be replaced, which is also conducive to prolonging the life of the engine.
Since the filter is replaced every time for maintenance, can the oil not need to be changed ?
No, the oil will lose its original performance if it is used for a long time. When the oil is lubricated, it will play a certain cooling role. In fact, to put it simply, the oil filter can only filter out the metal debris mixed in the oil, and it is useless for the dust inside! Therefore, we need to change the oil filter regularly, and also need to change the oil according to the maintenance manual !
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Post time: Oct-20-2021