Hi JimJim2206,
Cracks to cylinder heads are sometimes not visible depending on where the cracks occurs. A pressure test would be able to confirm if the head is cracked and it has to be removed from the engine. Honda engine seldom have cracked cylinder heads though they do occur and when it does occur, most probably the engie oil would be milky due to the coolant getting to the oil.
If the radiator coolant level is low and the recovery tank tends to overflow, then you definitely have a bad head gasket.
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Monday, May 31st, 2010 AT 2:58 PM