Just disconnect one of the cooler lines, put it into a quart bottle, and crank the engine up. If you guess right, the fluid will come out of the line, not the hole in the radiator. If not, get ready to clean up a puddle. It's surprising how fast a quart of fluid can run out of a cooler line!
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!