1990 Audi 100 Quattro Repair and Maintenance Costs
A guide to repairs, service, and maintenance costs for your 1990 Audi 100 Quattro
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1990 Audi 100 Quattro ProblemsAbnormal Noise From Suspension
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.