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996tt timing chain

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  #1  
Old 03-06-2008, 01:12 PM
jeffc's Avatar
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Join Date: Feb 2008
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Default 996tt timing chain

is it true that the 996tt use a metal timing chain?
i am getting a noise which sounds like it has come a little....loose?
anyone else experience this?
 
  #2  
Old 03-07-2008, 12:43 PM
Join Date: Sep 2007
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Default RE: 996tt timing chain

Hi Jeff
You are right the timing chains are duplex metal chains. I take it you notice the noise more on idle? or when the engine is not loaded. The chain could be OK but the tensioner at fault.
Doc Willen can you adjust chain tension externally or is it dependent only on the oil pressure driven tensioner?.
The chain anti thrash pads that are assembled to the timing case could also be worn.It would be worth seeing if you can get someone else to listen to confirm your diagnosis, but I must admit that timing chain thrash is a distinctive noise what ever vehicle its on!
Best Regards Big Bob
 
  #3  
Old 03-07-2008, 02:09 PM
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Default RE: 996tt timing chain

You are probably hearing the intermediate shaft, which is somewhat normal.
 
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