1991 Audi 100 Quattro Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1991 Audi 100 Quattro

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1991 Audi 100 Quattro Problems

Abnormal 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.

Inspect CV Boots and Joints at Each Service

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.

Starting problems due to air leaks and fuel injection
Problems with air leaks and the fuel injection may cause starting difficulties.

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1991 Audi 100 Quattro Questions

I have a water leak into the drivers footwell, (1 answer)

Windscreen and door seals been checked, may be the fuse box seal, would the water leak affect the starting, I haven't had a problem but the garage taken to for MOT had her stood out in wet weather and now she has a starting problem which was not there when I took her to the garage, because pa...

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