Air pressure works just fine all the way around, but even if I turn the temp all the way up on high it won’t blow hot air. It feels like barely cool but nothing close to warm even. But the a/c works. No smell in the car and no film on the windshield like there would be if it was the heater core and no engine lights come on either. What could it be?
What makes this problem better or worse?
Nothing does. I guess if I keep it on the lowest setting it still defrosts the window but doesn’t cool off the inside of the car. If I turn it on high it almost feels like the a/c is on
How long has your 2012 Chrysler 300 had this problem?
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Hello, when you are not getting the heat as desired, it is related to either the engine temperature itself, or an interior climate control operation issue. For the engine coolant temperature not getting hot enough -- it could be due to the engine thermostat not closing properly to allow the engine to arrive at proper operating temperature. If it's due to the climate control system, there is a command to turn the doors inside the heater plenum from cool air to warm air, and motors that accomplish the task of blending the temperature the right way. If there is a failure here, it can stay cool or cold instead of giving you the heat you desire.
Testing is required in both areas to determine the failure.
