Ultimately, the typical cause for a driveshaft failure is excessive torque, but as a solid unit, it is usually the bushings, joints, and couplings that fail 

1. Wear & Tear: Like all other parts of your car, the drive shaft is also subject to wear 

Apr 25, · The main cause of drive shaft failure is the tension generated in the drive shaft. When the shaft begins to bear tension, it may cause the hub to move away from the drive. When the hub starts to be out of line with the shaft, the drive will bedrive shaft

12/17 · Shaft failures due to bending are the result of a combination of tension and compression. The appearance of the shaft makes sense: if we bent the shaft to breaking, the pattern would indicate the direction it was bent. A rotational bending failure looks sort of similar to this in each direction.

Vibrations and shuddering are the most common sign of a failing driveshaft. If the bushings or U-joint wear out you can experience excessive driveshaft 

What Causes a Drive Shaft To Go Bad? There are several reasons why a drive shaft may go bad. Some of the most common causes are listed below: Wear & Tear; And remember, you can help prevent driveshaft failure by regularly inspecting it for damage and servicing it according to the manufacturer's recommended schedule.

Sometimes, the bolts holding the u-joints in place – either to the driveshaft or to the transmission or differential – can come loose or fall out completely.

Sometimes the vibration is caused by failing U-joints or bushings. Other times, it could be related to the driveshaft not being properly bolted 

Usually, the Drive Shaft Repair costs will differ based on what caused the issue and how fast it can be repaired. If you just have to replace it, that would be anywhere from $500 to $1000 .

7/16 · There are only four basic failure mechanisms: corrosion, wear, overload and fatigue. The first two— corrosion and wear —almost never cause machine-shaft failures and, on the rare occasions they do, leave clear evidence. Of the other two mechanisms, fatigue is more common than overload failure.

Answer (1 of 4): Here are the CAUSES OF FAILURE OF SHAFTS: There are only four basic failure mechanisms: corrosion, wear, overload and fatigue. The first two—corrosion &wear—almost