Question about 2009 Mitsubishi Galant

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2009 galant, added coolant.. still blowing hot air

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Hi, there are several reasons your vehicle may be blowing hot air through the vents, such as a need to recharge refrigerant. There could also be a problem with the air conditioner's compressor. Vents will blow hot air if the compressor does not activate when the A/C is turned on. There may be an obstruction in the system, or the blend air door inside the HVAC unit may be stuck in the HEAT position so no air goes through the A/C evaporator.

Posted on May 25, 2011

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Posted on Jan 02, 2017

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Air conditioner blows hot air, coolant is full but still blows hot air, sounds like compressor is coming but a/c light flashes.


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I just changed the thermostat on my vehicle and also put a new radiator in. My car blowing freezing cold air when i have it on hot. what might be wrong with my heat?


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Changed thermostat and added coolant but 1997


could be waterpump?
i was going to say rad fan,but if so heater would be hot.
lack of coolant will make heater core to blow cold,if engine heats up with full coolant,usually means poor or no circulation.
water pump?
run engine with full coolant,at operating temp.with rad cap off and look in rad cap hole and see if there is movement of water inside rad.
[rad fan will not come on if water is not circulating through rad water pump?]

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