Be sure the hose nipples are round- - - -once they get squeezed oval by overtightening a clamp it's very difficult to get a good seal. When I worked part time at a radiator shop we had a special pair of internal expanding pliers to round out flattened hose nipples.
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!