With the popularity of automobiles, more and more car owners have begun to pay attention to the problem of car maintenance. In car maintenance, oil change is one of the important links. So, if a car has driven 20,000 kilometers without changing the oil, will the car break? This article will answer this question for you.
What we need to be clear about is the role of motor oil in a car's engine. Engine oil mainly plays four roles: lubrication, cooling, cleaning and sealing. It reduces friction inside the engine and protects all parts of the engine from wear, corrosion and rust. At the same time, the oil helps dissipate heat from the engine, bringing the heat generated by the engine back to the oil tank and dissipating it into the air. In addition, the oil can also circulate carbides, sludge and wear metal particles from engine parts back to the oil tank, and the flow of lubricating oil washes away the dirt generated on the working surface of the parts.
So, what happens if a car travels 20,000 kilometers without changing the oil? The oil will go bad. After passing through the high-temperature and high-pressure environment in the engine, the engine oil will gradually lose its role of lubrication, cooling, cleaning and sealing. If the oil is not changed for a long time, the oil will become viscous and even produce sludge, which will lead to poor lubrication inside the engine, increase the wear of the engine, and even cause engine failure.
If the oil is not changed, the cooling effect of the engine will also be affected. As the oil circulates inside the engine, it takes away some of the heat and helps the engine dissipate heat. If the oil deteriorates, its cooling effect will be greatly reduced, causing the engine to overheat, which will affect the normal operation of the engine.
Failure to change the oil for a long time can also lead to a decrease in the sealing performance of the engine. Engine oil fills the gaps inside the engine and prevents leaks inside the engine. If the oil deteriorates, the sealing performance of the engine will be affected, which may lead to engine leakage or even damage.
To sum up, if a car has driven 20,000 kilometers without changing the oil, the car will have a series of problems, including poor lubrication, engine overheating, reduced sealing performance, etc., and in severe cases, it may even lead to engine failure. Therefore, in order to protect the car engine, we recommend that the car owner change the engine oil regularly according to the provisions of the car manufacturer's maintenance manual. Generally speaking, it is better to replace the fully synthetic oil within 10,000 km; Semi-synthetic oils are replaced within 7,500 km, while the lowest mineral oils are replaced within 5,000 km. Of course, the replacement cycle of different brands and models of engine oil may be different, and the owner should judge according to the actual situation.