1991 Audi Coupe Quattro Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 1991 Audi Coupe Quattro
Verified by mechanics, reported by drivers like you
1991 Audi Coupe Quattro ProblemsInspect CV Boots and Joints at Each Service
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.
1991 Audi Coupe Quattro Questionshydro boost brake system (1 answer)
I have a problem with the brake system I replaced the brake accumulator and the master cylinder, but the brake pedal is hard and difficult to stop, I haved to press hard and lock the brakes up, so vibration from the anti-lock system occurs. This is a hydro boost brake system so the boost comes fr...