No heat in 01 ram 1500
Change the therostat & use a coolant funnel to
remove all air out of system and it still blowing cool
air. The temp gauge is just a little under 1/2 mark
So both heater hoses getting hot? Thinking a blend door actuator.
Flush your heater core
Check lower heater core line. Should be 200 degrees
Also investigate your blend door actuator. I'll agree with that. Verify it's closed