If there is a characteristic knocking from under the car and vibrations in the cabin, it is likely that the cardan shaft cross will have to be replaced. An experienced driver will always notice the unusual operation of the car, while beginners are advised to undergo regular diagnostics at the service station.
Self-diagnostics
You can check the condition of the cardan shaft on your own. To do this, you will need to set the car on a “pit” and conduct a test: with one hand hold the shaft, and with the other – the flange of the drive pinion gear, while trying to turn them to each other. If even a small backlash occurs, the cause of the malfunction lies in the cross.
Important: When working on the cross of the driveshaft, it is advisable to mark the forks of the crosses so that the subsequent installation will go smoothly.
First remove the retaining rings with sharp pliers. Use a hammer and a soft pry bar to remove the bearings from the yoke.
While squeezing the bearings, burrs may have formed, which should be removed with a file. The grooves and seating holes are cleaned with a fine emery cloth.
In the second turn install a new cross, for which remove both cups, tuck the new part in the “ear” and put one cup, it is important not to scatter the needles.
With the help of a hammer the cup is deposited to the recess of the retaining ring, and then install it and turn the driveshaft.
The third step is to press the cups, for which the spider is shifted to the cup side and proceed the same way as described above manipulations. According to the assurances of the specialists. The second cup to install the difficult, but accessible.
Important: when installing the cardan cross must lubricate the parts, except for the studs themselves, as an air cushion can be formed.
Recommendations for disassembly and installation of the cardan cross
When assembling the joints, it is important to avoid misalignment, otherwise you will have to remove the crossarm again.
When working with a hammer and chisel, do not be overzealous so as not to damage the crossarm.
Reassemble the cardan in reverse order, and you should use the remaining marks. To determine the cardan in the coupling on the splines need to lightly tap on the end flange.
The list of tools needed to replace the driveshaft cross includes a hammer, pliers, horn and socket wrenches, screwdrivers and a metal hammer made of copper or aluminum.