General Site Questions   General Audi Questions   Engine Features   Performance   Engine Maintenance I have a lot of valve noise, especially when I first start the engine. It goes away after long drives but tends to stay during stop and go driving. Should I worry? My engine loses more than a quart of oil every 1000 miles. My dealer says this is normal -- is it? I have loud valve noise, all the time. What's the problem? I have loud valve noise after the car has been idling for a few minutes. What can I do about it? When should I change my timing belt? Is the V6 an interference engine? I've heard that the V6 leaks oil. Is this a big problem? Should I worry? Safety Features   Accessories   What is...   Audi 80/90 Specific   Audi 100/A6 Specific   Audi Coupe Specific   Audi Cabriolet Specific   Audi A4 Specific

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