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? Yes. Generally, if your timing belt breaks, you will bend exhaust valves. If you are especially unlucky, and your timing belt breaks at high RPMs, you might also bend some intake valves. 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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