97 Chevy 4.3L Over heating
So my truck started to overheat. I seen that the coolant wasn't circulating in
the radiator. I pulled the thermostat and it still wasnt circulating. I replaced
the water pump still not circulating. I pulled the heater hose off while the
truck was running no water? I checked the oil no water in the oil. I looked to
see if any water was leaking anywhere, no leak? No water is getting into any
of the cylinders either. I checked the radiator and all hoses nothing plugged.
What the heck is the problem?