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Engine oiling is DigiPlus fair valuea very important job in car maintenance, which is the key to ensuring the normal operation of the engine and prolonging the life of the engine.However, many car owners do not know the correct way to add oil, or cause engine damage due to negligence. This article will introduce the precautions and correct methods for adding oil to the engine. I. Does the engine need to be oiled? The answer is yes. The working principle of the engine is to use fuel to burn in the cylinder to generate thrust, compress the piston down, and drive the crankshaft to rotate. There are multiple connecting rods on the crankshaft, which transmit the power of the piston to the cylinder by connecting the connecting rod to the cylinder of the engine. In this process, lubricating oil is needed to lubricate the piston, crankshaft, connecting rod and other parts to reduce friction and absorb the heat of the engine. Therefore, when the engine is running, the lubricating oil is constantly consumed and needs to be refueled regularly. If the engine has no lubricating oil or insufficient lubricating oil, the friction force will be very large, which is easy to cause wear of engine parts, resulting in engine failure or even scrapping.II. How to add oil correctly? 1. When buying engine oil, first of all, you should choose the engine oil suitable for your car model. The type and specifications of the recommended oil are indicated on the maintenance manual or door of the vehicle. Generally speaking, manual transmission vehicles use 5W-30 or 5W-40 level oil, and automatic transmission vehicles use 0W-20 or 0W-30 level oil. In addition, the brand and quality of engine oil should also be paid attention to. It is recommended to choose a brand with a good reputation to ensure the quality of the oil. Two. Prepare tools. To add oil, you need to prepare the corresponding tools, including funnels and towels. The funnel can make the oil pour into the engine more accurately, and the towel can also be used to wipe the excess oil to avoid the oil flowing outside the engine and causing pollution. 3. Check the oil level. Before adding oil, check the oil level.First of all, you need to park the car on the horizontal ground, then open the engine cover, find the oil ruler, and clean the ruler. Then, insert the ruler back into the oil port, and then take it out to see if the oil liquid level is within the range of the ruler. If the liquid level is below the ruler range, engine oil needs to be added. Four. Add oil. When adding oil, you need to pay attention to the following points: a. Turn off the engine. Before adding oil, the engine must be turned off. Because when the engine is running, the oil is sprayed through the high-pressure nozzle. If the engine is added while the engine is running, it will cause oil splashing, resulting in physical injury or fire accidents. B. Choose the correct oil. When adding oil, you must choose the correct oil specification and oil volume. The oil brand and sticky are indicated on the oil bottle.Degree, specification and API level, the owner needs to choose according to the vehicle type and oil usage requirements. C. Add oil. Open the oil bottle and use the funnel to slowly pour the oil into the engine. If the amount of oil reaches the upper limit of the ruler or exceeds the upper limit of the ruler, you need to stop adding oil immediately. D. Check the amount of oil. After adding oil, you need to re-clean the ruler and insert it into the oil port, and then take it out to check whether the oil level is within the ruler. If the liquid level is too low, you need to continue to add oil, and vice versa, you don't need to add it. III. Things to know 1. Oil replacement cycle The oil needs to be replaced regularly, and the specific replacement cycle needs to be comprehensively considered according to the vehicle type, mileage, usage environment and other factors. It is recommended that the owner change the oil after driving every 5,000 to 10,000 kilometers, so as to ensure the long-term stable operation of the engine.Two. Use black oil. When we add oil, if we see bright red oil, it means that the oil is fresh and can provide effective protection when lubricating the engine. But when the oil turns black, it means that the oil has been used and needs to be replaced. 3. Avoid excessive use of engine oil. Some car owners mistakenly think that adding more engine oil can make the engine better lubricated, but this is not the case. If there is too much oil, it will cause the oil level to be too high, increase the internal pressure of the engine, lead to oil leakage or increase the risk of engine failure. In a word, in order to ensure the normal operation of the engine and extend the life of the engine, every car owner needs to learn how to add oil correctly. I hope this article will be helpful to you.

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