1990 Audi 80 Quattro Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1990 Audi 80 Quattro

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1990 Audi 80 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.

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

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1990 Audi 80 Quattro Questions

What controls the idle point? (1 answer)

So I'm 17, and looking to get my first car. My grandfather was going to give me his old 1990 Audi Quattro, a week or two before he was planning on giving me the keys, it's started to have problems starting. When it starts the engine turns over, then dies. It takes anywhere from 10-15 time...

I have a feeling this engine may be a1 989 (1 answer)

I am looking for the location of the crankshaft position sensor can anyone help? I have been all over the engine and there are no grey 3 prong plugs,even though the part i have is grey and three prong. It is from BWD Automotive part #css585 crankshaft position sensor for 1990 audi quattro 80

location of crankshaft position sensor (1 answer)

Can anyone help me find the location of the crankshaft position sensor?

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