Chrysler Repair Questions? Ask a Mechanic for Answers ASAP
Welcome, I'm Chris (aka Moose), my normal schedule online is around lunch and after dinner till early morning.
While running at operating temp, heat on full, blower on high, are the heater core hoses about 170-200 degrees?
Since the heater core flushed fine in both directions and you have NO coolant flowing through the core. This means the water pump impeller is worn and not moving enough coolant, the connection for the heater hoses on the engine are clogged, or there is air in the system. Run the vehicle with the coolant cap off and heat on to see if that helps bleed the air from the system and restore heat into the cab.
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Thanks for using Just Answer, Chris
I did not have a concern with your flushing method, that confirms the core and is fine. That leaves every thing else I mentioned to blame. Can you try the steps I mentioned and let me know the outcome?
Remove the cap before the cooling system is hot or coolant will explode all over you.
Since there is now no air in the system that leaves a restriction prior to the core hoses or the water pump.
Hello again Chris here,