Audi Coupe Quattro Questions
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where and how to add freon to 1990 coupe quattro
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 from the power steering.
and how can I replace it?