What is the reason why the cylinder gasket was washed away?

According to Bian Xiao, many friends don't know much about cars. In order to make it easier for everyone to understand this knowledge, today Bian Xiao will tell you the reasons for the damage of the cylinder gasket. Interested friends can learn about this problem, which may be helpful to you.

The key reason why the cylinder pad is easy to be damaged is that the engine is often overloaded, which leads to long-term detonation combustion. Because the local pressure and temperature in the cylinder are too high, it is easy to damage the cylinder gasket. When tightening the cylinder head bolts, the operation was not carried out according to the specified requirements, and the torque of each bolt was uneven, resulting in uneven adhesion of the cylinder gasket on the joint surface of the cylinder block and the cylinder head. If the ignition time is too early (diesel engine supplies oil too early), detonation combustion will occur when the engine is working. The quality of cylinder gasket is poor. The cylinder head and cylinder block are deformed or the joint surface between them is defective, in which the cylinder head is often deformed. The cylinder gasket is the seal between the top surface of the engine block and the bottom surface of the cylinder head. Its function is to prevent the cylinder seal from leaking and prevent antifreeze and engine oil from flowing from the engine block to the cylinder head. The cylinder gasket bears the pressure generated by tightening the cylinder head bolts and is corroded by combustion gas, engine oil and antifreeze in the cylinder at high temperature and high pressure. The cylinder gasket should have sufficient strength, pressure resistance, heat resistance and corrosion resistance. In addition, the necessary elasticity is needed to compensate the roughness and unevenness of the top surface of the engine block and the bottom surface of the cylinder head, as well as some deformation of the cylinder head when the engine is working.