Re: new head and gasket seeping already??

Posted by TheRealRon on August 19, 2004 at 04:51:31 from (69.179.0.225):

In Reply to: Re: new head and gasket seeping already?? posted by Brett Munsey on August 18, 2004 at 20:39:31:

Your are trying to take the lazy man's way out and you risk having to replace a crankshaft... or worse.

We told you what you needed to do. If you are not willing to do so, at least take the suggestion to get a local mechanic/machinist to help you. It all has to come apart and everything checked... you have to start at the beginning. You can assume nothing. Just as an example, if the block deck and/or head surfaces are not flat, no amount of gasket sealer nor overtorquing the head bolts will correct the problem. Nor can you assume the gasket does not need sealer because it didn't call for any. You must contact the manufacturer of the gasket and ask. They assume that people who install them know what they are doing. For example, we know that all non-retorque gaskets which are always coated with Teflon, silicone, or graphite, must never have any sealant applied or the gasket is ruined. Conversely, non-embossed metallic gaskets USUALLY require sealant... a nice even coat of Copper-Kote on each side of the gasket (but never sprayed on the deck or head) is appropriate. Composition gaskets (made like a sandwich) are always embossed and MAY require sealer... the manufacturer is the final authority.

Hint: when I pull an engine apart, I always look for either sealer on the head bolts or rust on the shank/threads. If any is found, they obviously go through the water jacket. An after-the-fact way to determine this is to carefully blow shop air into each head bolt hole. Use a rubber cone adapter and keep your face out of the way. Air will escape when a hole penetrates the water jacket.

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