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Old 03-19-08, 03:45 PM
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Cadillac(s): 1997 ETC, 2000 DTS
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Re: Root Cause of Head gasket Failure and a Fix?

Has anyone had a HG fail after inserting and replacement. I don't mean have the inserts failed... I know they sometimes fail in the '96-99 blocks with powdery aluminum. I am asking if the factory (or Fel-Pro like I used) head gaskets fail, like after say 25-50K miles. I think they might, since I am pretty convinced that the gasket fails and that causes the threads to be contaminated and fail, but I was wondering if anyone has had that happen after repairs?