New Hoses would seal better than old ones.

However, it does sound more like you have a Head Gasket or something Cracked issue.

Did it seam like it was overheating?

Or, is it possible there is some passageway in the Cooling System Blocked (remove the Thermostat and run the Engine and see if it still gushes out)?

__________________
84 300D, 82 Volvo 244Gl Diesel