Engine is the cardiovascular system of a car, and engine oil is the blood night of a car, both of which are indispensable. If the car runs at a high speed and there is no oil, it can rotate at a high speed for 30 minutes; If you drive on a road without engine oil, you can walk 15- 20 minutes at most. An overseas brother once tried to drain the oil of an old mercedes benz c-class car 1 for seven minutes. If there is no oil running for a long time, it will lead to irreversible damage to the engine, and even cause engine damage.

Due to the rapid operation of the automobile engine, the piston rod of the engine rubs against other metal parts, and its working temperature can reach 400℃

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