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I would suspect that the heater core is either clogged or the heater temperature control valve is defective. Have you ever serviced the cooling system? It is also possible that the thermostat is stuck open. I would drain and flush the cooling system. Install a new thermostat, install a fresh 50/50 mix of the correct antifreeze and distilled water. See what you have before proceeding any farther.
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∙ 16y ago
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Does an air conditioner blow out heat or blow out cold air?
An air conditioner blows out heat
Why won't your 2004 Mitsubishi galant air conditioner blow air when it turned on?
Low refrigerant? Blown fuse?
Where is the air intake temperature sensor on a 2003 Mistubishi Galant?
inside duct past air filter
Why does a 2003 Crown Vic with auto temp control blow heat and ac from the defrost and floor vents but no air through the dash vents?
Because the air selector died.
Why does the heater not blow air?
The heater does not blow air because it emits infrared rays that have heat molecules within them, thus releasing heat, not blowing it. A heater does not blow air becasue there is no moving air source within the heater. The heater emits infrered rays that cause heat to slowly flow out of the heater.
Why would your caravan blow good heat then blow cold air then back to heat?
Check the colant level, it may be low.
Is it normal for the air conditioner intake to blow cold air when the heat is on?
Air conditioning will expel heat to the outside when cooling. On the heat cycle the reverse is evident
How can you tell if heater blower is not working?
it wont blow heat itll blow cold air
Would a blow dryer work in a place with no atmosphere?
No. A blow dryer sucks in air, heat/cools it, then blows it back out again. Without atmosphere, there is no air, and without air, there is no blow dryer.
2003 Mitsubishi Galant have no heat and blow cold air?
the most common cause of this is your engine coolant may be low. If this is the case then there is not enough of it to pump through your heater core (the coolant is hot from you engine, it is pumped though a serise of tube-like things similar to a radiator and then air is blown across it to make the air hot). That or your heater core itself may be broken in wich case it cost about 100-200 with labor to get a new one.
Why does a 2002 Mitsubishi Galant only blow cold air and not overheat?
I had a similar problem with Chevy Lumina when the thermostat went out. It was stuck open so the car never got up to a temp high enough to blow hot air. Kerry
Why 2003 MB ML 320 no heat no instruments?
They did have heat in 2003, they also had air conditioning as an option.
