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Blowing cool air while idling & the water pump is not moving very fast is a key indicator of low engine coolant levels.
Add some anti-freeze/water and likely you'll have warm air all the time.
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∙ 15y ago
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Why does your heater blow cold air while idling but blows hot air while driving?
Low coolant, failed thermostat, partially plugged heater core...............
Is the thermostat bad if the heater puts out hot air while in motion and cool air when idling?
May have an answer already, but be sure that the radiator is full of coolant.
What would make a 1995 jaguar only blow cool air when the air conditioning is on?
jaguars blow, the ac is making the cool air. turn it off, to stop cool the cool air.
Why does your 1998 Sebring blow cold air while idling and hot air while moving?
This is often caused by air being trapped in the cooling system. Get a qualified mechanic to drain, flush and refill the radiator/cooling system.
Why does a 1993 Lincoln town car air conditioner cool perfectly for a while and then momentarily blow hot air?
check cooling fan
Why does your Ford F150 air conditioner blow hot air while driving but air is cold while idling?
Do you have the recycle air button turned off? If you do you would be sucking in hot air when you are moving but when you stop the outside air stops flowing into the air conditioner and it gets a chance to get cooler air from inside the cab and cool it more. Make sure your recycle button is lit on the dash. This closes off the outside air and just recycles the cooler air from inside the cab.
Why does your jetta air conditioner blow cool air?
Hmmm, because it should?
Why would a 1997 Cadillac Catera not overheat and not blow hot air?
If the coolant is low ( watch for leaks )it will act as you say. Fill it up , leave rad cap off for 5 minutes while idling to bleed air, and try it.
What causes my ranger to blow warm air while idling and only blows cold air when revved up?
unit could be low of refridgent,or valve for heater not closing complety There can be other problems, but these twowould be the ones i would start with.
What are the Functions of air conditioner?
the function is to blow the hot air from outside to cool air in side
Why does my Lincoln LS blow cold air when idling?
Yuo have a bad aux water pump about $150 at the dealer :) Danny K
Why does my 1995 meccury grand marquis Blow out cool air but i cant get hot air?
2004 grand marquis blowing cool air cant get hot air why?
