I tried to squeeze lower radiator hose last night and it felt completely solid inside. I mean it almost feels like there is something inside it with just barely enough clearance to push a coolant through the hose. Could it be calcium build-up? Feels like a big cylindrical chunk of something very solid in nature. Anyone had similar problem?

At first I thought of the spring that they used to put in some of them. But have never seen one in a Bonne.

I'd pull it and find out what is going on.

Got to agree with the boost man, pull the hose and inspect it. Good time to flush the system and get new coolant.