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09 A4 2.0 engine failure (valves in cylinders!)

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  #1  
Old 06-29-2013 | 10:02 AM
jdeerejr's Avatar
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Default 09 A4 2.0 engine failure (valves in cylinders!)

Last Friday I had a misfire and then the engine shut down. Took it to the dealer and there were valve parts in 3 out of 4 cylinders. Only 16,750 miles and all services have been done. No one has ever seen this damage with chain drive cams. I have bought a '12 engine, 09 was out of warranty due to age, not miles.
Has anyone seen or heard of this kind of failure in the 2.0 TFSI engine?
I will tear down old engine when I get a chance to see if the cause can be determined. JD
 
  #2  
Old 08-26-2013 | 07:16 PM
sbarzandeh's Avatar
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how did this go? Why did it blow up?

Thats strange problem to have with such low miles. I just bought a 2010 with very low miles and i didnt get the warranty. So this post has me worried abit. can you update us?


Thanks
 
  #3  
Old 08-26-2013 | 08:20 PM
jagtoes's Avatar
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Originally Posted by jdeerejr
Last Friday I had a misfire and then the engine shut down. Took it to the dealer and there were valve parts in 3 out of 4 cylinders. Only 16,750 miles and all services have been done. No one has ever seen this damage with chain drive cams. I have bought a '12 engine, 09 was out of warranty due to age, not miles.
Has anyone seen or heard of this kind of failure in the 2.0 TFSI engine?
I will tear down old engine when I get a chance to see if the cause can be determined. JD
My bet is that the chain tension-er failed and the chain skipped a tooth or two and crashed the valves into the pistons. Let us know what you find.
 
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