Thanks! I'll remember that. For greasy deposits in a cooling system such as engine oil or transmission fluid from a damaged cooler, a heavy dose of Trisodium Phosphate (concrete cleaner) will cut the oily mess in a hurry. Repeated flushing with plain water will remove it- - - -no need for a neutralizer.
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!