Quick update. I had Honda re-test the cooling system. They said they didnt have the proper equipment to test the radiator cap on it's own but their lead did say that if the cap was defective it would show during a pressure test. I guess they test the system some other way than removing the radiator cap and hooking up the equipment. Everything was holding pressure fine and operated within spec. I was told the coolant level in the expansion tank can vary dramatically and that is pretty normal. I always knew it would go up and down from when the engine is hot to when the engine is cold. But looking at the expansion tank while it's cold has shown the level to drop. Maybe it has to do with the outside air temperature too?
Eitherway, it is documented and even though the powertrain warranty will end this September they said if anything arises after then it would be covered by warranty as the problem has been documented and check twice now before the warranty expired and both times I was told the system is fine.
All of that said, is there any other place to check for a leak?
Friday, July 22nd, 2011 AT 8:43 PM