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Old 03-06-08, 01:46 AM
JC316 JC316 is offline
Cadillac Owners Connoisseur
Cadillac(s): 98 Seville SLS *Lord Vadar*
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Join Date: Mar 2005
Location: DFW Texas
Age: 23
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Re: Root Cause of Head gasket Failure and a Fix?

Very interesting writeup AJ, well done. My 98 SLS blew the gasket, but for a different reason than the one that you showed. The metal on my block was great, no pits or corrosion, hell the threads didn't even pull out, what killed mine were two gashes in the surface of the head, near the water jacket. I assume that they were a factory flaw from the factory, but I never did find the reason. In your estimation, since the block was in good shape, no powdered shavings, or pits, what are the chances of my 98 blowing a head gasket again?