When that happens, the whole axle may need to be replaced. CV axle boots often last the life of a vehicle and are not listed among items that need periodic replacement as part of vehicle maintenance.

My older Lincoln Navigator's CV boot is leaking grease. I took it to two different shops and they both want to replace the axle, not the boot.

A quick inspection revealed the protective boot on the rear driveshaft had fragged. The CV joint had ejected all of its grease and it was just about ready to go molten.

Symptoms Of Faulty CV Boots While the drive axle boots are not that complicated, proper inspection is always crucial. You simply need to know where to look to prevent long-term issues altogether.