soobtito

im new here!!! but yeah im having problems with my coolent system on my 1992 subaru loyale 1.8 L engin 4cylinder automatic the whole problem started wen one night one of the back heater hoses broke so i changed it then the car was still over heatingso i checked the thermostat it was old so i changed it was still over heating after that all of the suden after i took a long trip my radiator started leaking i tought irt was a whole so i put liquid sealer in it and removed the thermostat but its still over heating i think i need a flush but im not sure even tho the anti freeze is really dirty so if any one can help me let me no