A CV joint is a universal joint of sorts that allows the drive axle to transfer the power from the differential to the wheels at varying angles.
This joint is enclosed by a rubber boot that keeps the lubricating grease in the joint and keeps dirt and debris out.
When the boot gets old it develops cracks that will allow all the grease to escape and the joint will wear quickly from exposure to dirt and moisture.
While there is wear on this component any time the car is in motion ,most often failure comes from exessive wear from lack of lubrication and debris.
It is very important to check the boots frequently for cracks and tears.
Replacing a boot early can save substantial money over having to replace the whole joint or in some instances the entire drive axle.
Friday, February 20, 2009
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