what can a NOVICE can do to find out if water runs thru radiator UNOBSTRUCTED? on 1995 Saturn SL1

replaced radiator last yr. replaced belt,waterpump,thermostat n reservoir cap all in the last 2-3 wks.can u tell or show the route water takes thru engine n radiator.dont think water is circulating?if air in system how do i purge it?if radiator needs cleaning can u tell me how?

Asked by for the 1995 Saturn SL1