I just did a self-recharge on my refrigerant, and have found that the back is blowing cool air but the front is not. I can hear the compressor kicking on, but no length of time gets the front blowing cool. When I turn off the A/C, or the vehicle, there's a sort of slow hiss/wheeze that comes from the front vents as it spins down.
Blower motor not working , do you feel an air movement out the front vent's ? ( I just did a self-recharge on my refrigerant ) Too much of a charge can work as not enough of a charge . The back or AUX HVAC system works off the same compressor as the front . The noise you hear is just refrigerant moving through the system . Temp .door actuator maybe . Your best bet ,mite be to take to a qualified repair shop. Doesn't sound like you know about automotive A/C systems . .
SOURCE: After car heats up (slow to heat) it stil blows cold until moving
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SOURCE: Dodge 2002 Grand Caravan V6 3.3 engine overheating/no cabin heat.
Replace the bad radiator hose first. Second- get you special formulated anti-freeze dye from the auto store and pour it into the radiator. Third- make sure you got all the air pockets out of your system, cause the coolant system won't work with air pockets in it. Fourth- Check for leaks by looking for the colored dye. If it's not the radiator hose, then could possibly be a pin hole in your radiator. Would suggest replacing all the radiator hoses at the same time while you got the coolant system disconnected, cause you don't want to have to come back and replace another hose in a few months.
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