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Old 07-16-2014, 06:33 AM   #1
Audiworld Junior Member
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Posts: 30
Default Help with busted timing belt please. What work has to be done?

My timing belt busted at a relatively low speed. There are 4 bent exhaust valves but no visible damage to the cylinder head. This is going to be covered by Audi USA under their extended warranty because of the timing belt settlement in '08.
Here is my problem. Dealer insists there is nothing wrong with the cylinder head.
In talking with 3 other mechanics (2 of them different Audi dealerships), they all are pretty adamant that you cannot see damage to a cylinder head and that it must be taken to a machine shop to measure tolerances and ensure it is within spec.
Here is the weird part - My dealership (University Audi, Seattle) admits that some damage can be non-visible - but they still declared the head as good, "visually". This has been a circular argument but they are refusing to machine the head claiming it isn't necessary.
Can anyone educate me if their approach is reasonable? The dealership says, it starts and runs fine and has no error codes - so it is fine.
It is my understanding from other mechanics that a head out of true will result in lower performance, gas mileage, longer term damage to the engine, HP...
My dealership calls it good because it runs.
I know this is the opposite argument people are normally having with a mechanic - but they claim the additional work is not necessary.
I believe it is only because they are paying the bill. Can anyone educate me and if you can point me in a direction for information or quotable sources so I can have some ammunition? (or tell me to calm down - it will be fine
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Old 07-16-2014, 07:53 AM   #2
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What year is your A4? My 2008 A4 timing belt snapped at 59K miles and bent valves and Audi USA is not willing to pay $1 to help fix it!
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Old 07-16-2014, 08:00 AM   #3
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2001 TTR actually. It was part of the class action suite over timing belts and tensioners and all damage caused by a failure is supposed to be covered. We are simply arguing about what constitutes damage. Just got off the phone with a machine shop and they reiterated you can't see problems with a head - that it must be vacuum tested minimally.
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Old 07-18-2014, 06:05 PM   #4
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We have done plenty of 1.8T and 2.8 valve jobs after broken timing belts. Have not had a single one with damage to the head. I wouldn't worry about it really. My own Passat bent 15 valves and i threw in used ones from a junk head (seized cam) we had laying around and it runs great.

And really, its a rubber belt. its a 2001. Most shops will say 7-8 years is a good interval on timing belts, rubber does deteriorate. Your at almost 14 years. No wonder it broke...Im confused at why you seem to think Audi it responsible for you not maintaining your car lol.
1991 Audi 200 Turbo
1999 Audi A6 Avant 2.8
1998 Audi A4 quattro 1.8T

Last edited by Prospeeder; 07-19-2014 at 10:45 AM.
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Old 07-18-2014, 06:05 PM
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