The damage in the use of the gasoline engine bearing is mainly wear, fatigue, peeling and ablation. The surface cleanliness of the parts is poor.Low machining accuracy, maintenance and improper use (FIG. 2 shows the damage to the axial alloy).

In recent years, the number of car owners has gradually increased, and the car needs regular maintenance, but some of the limited maintenance centers often go into maintenance mistakes and affect the performance of the vehicles. There are 10 main performances:

When the diesel engine is operating normally, its sound is rhythmic, uniform exhaust sound and slight noise, with certain regularity. When the parts of the diesel engine are not properly adjusted due to wear and tear or due to repair, they can break the clearance of the auxiliary,