Question about 1999 Mercury Grand Marquis
My friend's Grand Marquis 1999 got overheat because the water was leaking from the intake manifold.And after we got all the parts to fix it we found out tha it has water on top of two pistons.But the strange thing for us ( we are not experts... ) is that it does not have mixed oil in the radiator, and does not have mix water on the engine. Just clean water sitting on top f two pistons... Any information will help...Thanks.!
So you took the heads off as well? If you took the heads off and let sit over night condensation built up on pistons just wipe clean and install head gaskets and tighten to specs with new bolts. But if you took heads off and antifreeze come pouring out you have a bad head gasket change both sides. The reason it has not leaked into the oil pan yet, cause it has not gotten bad enough to do so. Believe its a mess.
Posted on May 08, 2009
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Posted on Jan 02, 2017
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