I was wondering if anyone has had a problem with coolant loss other than by a visible leak or a blown head gasket?? thanks

 

Heater core, maybe? Could you give us a little more info on what you're after?

 

I have had a pin hole in the radiator before.

 

You may think this is odd, but check the overflow reservoir.

I had a 97 Taurus sedan that was "losing" coolant, but with no leaks in the hoses(I replaced them) or the radiator or heater core. Every once in a while, I would notice antifreeze on the inside of the engine compartment, but could not figure out where it was coming from. Then 1 day I smelled the coolant, opened the hood and saw a small trail of coolant coming from near the overflow. I waited until the car cooled down and pulled it off the fender and sure enough, there was a small crack on the bottom where you could not see it from above. I searched several salvage yards(the stealership wanted waaay too much $) and found a near-new replacement. After that, no leak!

 

cracked head near exhaust valve water disapearing down the exhaust system.

 

Bad cap allowing the water to evaporate.

 

check like ur sending unit if thats tight and all other hoses coming out of the intake

 

mine used to do this when i had overheating problems, got rid of my overheating problems, and stopped losing radiator fluid... coincidence? who knows?