Our technicians recommend having the constant velocity (CV) boots and CV joints inspected at each service. Servicing torn CV boots early can prevent the need to replace the CV half shaft or CV joint.Google+
Car Problem Reports
Audi A4 Quattro Inspect CV Boots and Joints at Each Service
Audi A4 Quattro Problem
Average Mileage: 119,666 mi (90,000 mi - 144,000 mi)
cracked cv boot on driver side. Looks like it needs to be replaced.
Visitor, 2001 Audi A4 Quattro, 125,000 mi
Had the same kind of issue with damaged CV Boots, replaced it with re manufactured Half axle shafts.
my right front cv joint went out. I originally thought it was the engine making the car shake! Found out it is the CV boot was broken. Only $100 for the axle. I put it in myselft.
Visitor, 1998 Audi A4 Quattro, 144,000 mi
cv joint and axle were collapsed and changed. It causes high vibration on steering wheel and cause high damage once it explodes...
Visitor, 2001 Audi A4 Quattro, 90,000 mi
torn CV Boot front passengers side
Torn CV boots and worn joints. Had to replace half-shafts