Traditional Culture Encyclopedia - Traditional virtues - How to check automobile oil
How to check automobile oil
2. Insert the oil return dipstick, then slowly pull it out and check the oil stain on the dipstick.
3. As shown below: If the oil trace is between the upper limit and the lower limit mark, the oil quantity is appropriate; If the oil trace is very close to or below the lower limit mark, oil needs to be added as soon as possible. When the oil addition exceeds the upper limit, the excess oil must be drained from the oil pan.
Extended data:
1, Engine oil, namely engine lubricating oil, English name: engine oil. The density is about 0.9 1× 10? (kg/m? ) can play the role of lubrication and wear reduction, auxiliary cooling and cooling, sealing and leakage prevention, rust prevention and corrosion prevention, shock absorption and buffering for the engine. Known as the "blood" of the car. Engine oil consists of base oil and additives.
2. As a kind of machinery, the engine has the same requirements for lubricating oil as general machinery, such as proper viscosity and certain performance requirements such as oxidation resistance, wear resistance, corrosion resistance, viscosity temperature and so on.
3. There are many kinds of friction pairs in the engine, such as piston and cylinder liner, crankshaft journal and bearing, cam and follower, gear and so on. Although they have different requirements for lubricating properties of lubricating oil, one engine can only use one kind of lubricating oil (except for large marine diesel engines), so various lubricating conditions should be taken into account when selecting lubricating oil.
References:
Baidu encyclopedia-engine oil
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