Date: Mon, 08 Apr 2002 22:50:40 GMT From: R&L Mieras <rlmierasnopsamsplanet.net> Subject: Re: Oil in cooling water
Actually Bob, headgaskets DO wear, because of different expansion rates of the aluminum head and the castiron block, actually, slowly over time, grates the headgasket down. Just my 2cents worth, also just had to change my headgasket :( Bob wrote: > On Fri, 05 Apr 2002 11:45:50 +0100, danny <dannynopsamia-esprezzo.com> > wrote: > > > A head gasket can fail at any mileage, usually due to > >overheating - coolant level not maintained in the header tank, or fan failing. > > Head gasket failure, when not due to overheating, is usually due to > "time" rather than "wear". When properly installed with no defects, > a head gasket will usually last the life of the engine ie., it does > not "wear" at all and mileage is unrelated. So it is quite possible > that a car as old as a '95 would have a gasket that has gone bad > over the years due to deterioration. > > Also, this series of 900's does seem to have a few more head > gasket failures than normal. I know that the factory changed the > torque specs sometime in '97 or '98 (less torque so that the > gasket would be compressed less when initially installed). This > tells me that the factory was receiving lots of reports of > failures too. > > Bob
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