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.
Resources for the Repair and Maintenance of your 1990 Audi 90 Quattro
1990 Audi 90 Quattro
1990 Audi 90 Quattro Problems
Various bushings—located around the subframe, suspension, and steering—deteriorate with age. A clunking noise when driving over bumps, accelerating, or stopping may be a sign of worn bushings.
Problems with air leaks and the fuel injection may cause starting difficulties.
1990 Audi 90 Quattro Questions and Answers
I have a 1988 audi 90 quattro and I'm not sure of the location of the crank sensor. I think it is mounted on the tranny where it mounts up to the engine. The problem is that there are two sen...
5 years ago the odometer on my 1990 Audi "90 Quattro 20v" suddenly stopped working when the car had only 49K miles. (Yes, only 49K miles, and I'm the car's original owner.) An...