Why does drive shaft condole glue often meet bad?

The truck drive shaft is usually broken because the drive shaft is bent and deformed. It is also possible that the beam deformation of the transmission shaft is bad. In addition, the drive shaft of the universal joint often beat butter, universal joint due to lack of oil caused by the open movement of the universal joint. This leads to deformation of the transfer axis. If the vehicle starts to stutter stutter sound, for a long time will lead to the use of the transmission shaft deformation universal joint fork damage! So always check the drive shaft and butter the gimbal.