Should the air coming from the blend doors be hot or cold? the doors themselves are moving properly, wondering if there should be a blast of hot air there or not. I'm also getting some warm air coming through, just enough to keep the windows clear but not to heat up the Jeep. Same situation as the OP, both hoses going into the heater core are hot, radiator has a very slow leak, fluid has been at the full line for weeks.
I'm told its possibly a worn out heater core - that the fins are dirty/rust/covered in sludge and not transferring heat properly.
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sure why I can't make that a real link)