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Crackling of the constant velocity joint


Occurrence of crackling when jumping off suddenly with the steering wheel turned or even when driving straight ahead at a certain speed. A sure sign of CV joint wear occurs after one of the causes:

  • Natural wear and tear
  • Damage to the joint cover
  • Aggressive driving style (sudden start with skidding when the steering wheel is turned extremely, turning with a small turning circle at high speed).

Every specialist in the workshop forms his judgment immediately - the constant velocity joint has to be changed.



If the constant velocity joint has not cracked for a long time and the crackling occurs only when the steering wheel is turned intensively or under extreme conditions, then you do not need to buy a new constant velocity joint. Such wear on the constant velocity joint can be eliminated with the special lubricant: XADO repair lubricant with Revitalizant® and afterwards you can continue driving the car with the restored constant velocity joint until the end of the endurance run.

To do this, the constant velocity joint must be dismantled and dismantled so that the mutual position of the parts is marked. Then it is to be cleaned from the old lubricant and flushed. It is recommended to use XADO Universal Industrial Flush.

Afterwards you have to make sure that there are no major damages (chips, deep cracks, holes larger than 0.1 mm) on the components. The next step is to assemble the device.

Then the interior has to be filled with the XADO repair lubricant and the constant velocity joint has to be installed in the place intended for it. After 2,500-3,000 km of mileage, crackling completely disappears.

After 18,000-20,000 km mileage with XADO repair lubricant we recommend removing the joint cover, removing the old lubricant and flushing the interior of the constant velocity joint. Then is XADO lubricant for constant velocity joints to be inserted for the entire endurance run. Install the device and attach the cover.


In order for the constant velocity joints to work as long as possible, we recommend following the three basic rules:

  • It is not recommended to use a sudden start because the torque during a sudden start is much more intense than normal driving. The constant velocity joints quickly become damaged under high loads.
  • Do not accelerate too much when the steering wheel is turned around, because when the joint is in a relatively large corner with respect to the axle, its components are subjected to more stress, exposing the constant velocity joint to rapid wear.
  • We recommend regularly checking the condition of the protective covers on the constant velocity joint. Its components are quickly worn out by the ingress of sand, dirt and other foreign matter.
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