After reading the open secrets of automobile oil, maintenance of the car no longer worry!

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After reading the open secrets of automobile oil, maintenance of the car no longer worry!

The "Open Secret" of Motor Oil

As a "senior" oil blogger, there will inevitably be friends to consult the relevant issues, how to maintain the car, especially the oil, as a car engine is particularly important members, a little inattention may cause damage to the machine. In the face of everyone's concerns, today we will talk about those in the car oil in the open "secret", so that you no longer worry about car maintenance.

Want to know how to maintain, we must first understand the role of the oil is what. Wear reduction and anti-wear, cooling, sealing, dust, recovery room, cleaning decomposition, transfer of power, etc., it can be seen, the oil has assumed a fairly important responsibility. The most frequently mentioned issues are mainly these.

1. Can I mix different brands of motor oil?

There are countless motor oils on the market, each brand of motor oil has its own characteristics, and the added ingredients are different, if different brands are mixed back and forth, it may lead to chemical reaction, and the oil will deteriorate, so it is best not to mix different brands of motor oil.

2. How to buy motor oil?

The price of oil on the market varies, the rich may choose more expensive oil, in fact, for most car owners, not the more expensive the better, to choose oil for the car, like we choose clothes, should buy the right, if you can not decide to buy what oil, you can go to the 4S store to ask. 3.

3. What is the difference between 5W-30 and 40 on the oil package?

W represents the season "winter", the number in front of W represents the low-temperature fluidity, the smaller the number, the lower the applicable temperature, the number behind represents the viscosity of the oil under 100℃, the larger the number, the higher the viscosity.