Automotive lubricants are used at a very high frequency during maintenance. In addition to protecting the engine and reducing the number of oil changes, high-quality lubricants can also save on gasoline expenses. In this season, at the same time, we must also be careful not to cause automobile breakdowns due to improper use of lubricants. The “improper†use method is generally based on the four “misunderstandings†of lubricants by riders.
Misconception 1: Lubricants can be added more
The amount of lubricating oil should be controlled on the oil dipstick, and it is better to have a lower tick mark. Because too much lubricating oil will enter the combustion chamber from the gap between the cylinder and the piston to form carbon deposits. These carbon deposits will increase the engine compression ratio and increase the tendency to produce knocking; carbon deposits in the cylinder will be red hot state also easily lead to premature combustion, such as falling into the cylinder will increase the cylinder and piston wear, but also accelerate the pollution of oil. Secondly, too much lubricating oil increases the stirring resistance of the crankshaft and increases the fuel consumption.
Misunderstanding 2: When the lubricating oil turns black, it is time to change the oil.
This understanding is not comprehensive. For lubricating oils without a clear dispersant, the darkening of the color is indeed a sign that the oil has been seriously deteriorated, but the lubricants used in Hyundai Motors are generally added with detergents. The detergent removes the adhesive film and black carbon deposit adhering to the piston and disperses it in the oil to reduce the formation of high-temperature deposits in the engine. Therefore, after the lubricant is used for a period of time, the color tends to become black, but at this time The oil has not completely deteriorated.
Misunderstanding 3: Lubricants often add no change
Regular inspection of lubricants is correct, but supplementation without replacement can only compensate for the lack of oil, but it cannot fully compensate for the loss of lubricant performance. During the use of lubricating oil, the quality will gradually decrease due to pollution, oxidation and other reasons. At the same time, there will be some consumption, so that the number decreases.
Misunderstanding 4: Large use of additives
Genuine high-quality lubricants are finished products with a variety of engine protection features. Formulations already contain a variety of additives. Including anti-wear agents, and lubricants are the most concerned about the balance of the formula to ensure the full play of various properties. Adding other additives by yourself not only does not give the vehicle additional protection. Instead, it is easy to react with chemicals in the oil.
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