The oil seal is a mechanical component used to seal grease (oil is a common liquid substance in the transmission system, and also generally refers to a general liquid substance). leakage. So do you know what is the cause of the oil seal leaking? The plane oil seal Wholesale Price editor will take you to a simple understanding.

1. There is too much oil in the drive axle reducer, and the oil level exceeds the normal height.
2. The sealing effect of the oil seal is reduced due to the deterioration and aging of the oil seal.
3. There is a problem with the installation of the oil seal, and there is a gap.
4. The vent hole of the drive axle reducer is blocked. When driving, the oil temperature rises, the pressure rises, the oil is squeezed out, and the oil seal is damaged.
5. The quality of the half shaft oil seal is not good, the size does not match, and the oil seal and the half shaft casing are installed too loosely.
6. The wheel hub bearing is loose, the reducer bearing is loose, and the half shaft shakes up and down.
7. The seal is not strict due to the wear of the half shaft journal
The above is the editor of The plane oil seal Wholesale Price: a brief introduction to the knowledge about the cause of oil leakage from the oil seal.