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Engine sealant: Function and DigiPlusselection guide The engine is one of the most critical parts of the car, and the engine sealant is an important part of ensuring the normal operation of the engine.This article will introduce in detail the function of engine sealant and how to choose the appropriate engine sealant. The function of engine sealant Engine sealant is a kind of high-performance glue, which mainly uses its adhesion to fill the gaps between the parts of the engine under high temperature and high pressure to achieve the sealing effect. Specifically, engine sealant can be used in the following aspects: 1. Permanent sealing: When some engine parts need to be permanently sealed, engine sealants can provide better sealing performance, such as permanent sealing of the engine valve chamber. Two. Maintenance seal: During engine maintenance, engine sealant can be used to seal the corroded, worn or damaged parts of the sealing ring or gasket to ensure the normal operation of the engine. 3. Leakage prevention: Engine sealant can be used to seal leaking parts, such as engine rocker shaft, lubricating oil drive camshaft cover and other parts.Four. Anti-vibration: Engine sealant can also be used as an anti-vibration material to reduce the vibration of engine parts and avoid adverse effects such as oil leakage caused by knocking and vibration during operation. How to choose the right engine sealant? When choosing an engine sealant, the first consideration is the surface in contact with the engine parts, because different contact surfaces require the use of different types of sealants. In addition, the following factors should also be considered: 1. Temperature resistance: The engine temperature will continue to change, so a sealant with good high temperature resistance should be selected to ensure that it can still work normally at high temperatures. Two. Chemical resistance: Because engine parts will come into contact with various chemicals, the sealant needs to have excellent chemical resistance to avoid the failure of the car due to the damage of chemicals to the glue.3. Adhesion: The adhesion of sealant is very important to ensure the sealing performance, so pay attention to its adhesion performance when choosing sealant. Four. Elasticity: There will be different vibrations and impacts during the operation of the engine, so when choosing engine sealant, special attention should be paid to its elastic characteristics to ensure that it can withstand external forces. 5. Color: When buying engine sealant, you can refer to its color to determine which part it corresponds to. For example, black or gray sealant is usually used for oil or transmission system parts, while red sealant is suitable for radiator or coolant parts. In summary, engine sealant is a very important automobile maintenance material, which is suitable for many aspects such as permanent sealing, maintenance sealing, leakage prevention and vibration resistance. Choosing a suitable engine sealant needs to consider its temperature resistance., chemical resistance, adhesion, elasticity and other factors, and the type of application parts is determined according to the color label. Careful selection and correct use of engine sealant can help repair the engine and ensure the safety and normal operation of the car.

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