most likely cause will be a faulty fan speed resistor.shouldnt cost more than $50 to replace
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Related Questions
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.
Heater on but not blowing warm air?
heater on at idle and will not blow warm air. when moving it blows the warm air from the vents. what will cause this
How will the heater react if the heater core is stopped up?
Your heater will blow cold air only.
Why does your heater not blow out warm air?
if the heater does not blow out warm air change the setting.
Why does heater in a 2000 Dodge Neon only blow cold air?
you may not have the heater water hoses plugged in
If the rear heater works ok why does the front heater only blow cold air?
replace front heater corefront and rear have independent heater cores
What would cause a 2003 Buick Century's heater to blow cold air when idleing but will blow warm air when moving?
Probably need to add antifreeze. Check the Radiator not the overflow tank. If you are low on antifreeze it will not circulate through the heater core.
Why my car air conditioner doesn't blow hot air it has cold air only?
You are low on coolant to the heater core.
What would cause the heater on a 1997 Grand Am Gt to not warm up completely and only blow slightly warm air?
It could be the thermostat on the engine. If the engine does not warm up adequately the heater will never blow hot air.
Why your heater in 98 Lincoln town car only blow cold air?
Could be the Climate Control Unit or Clogged heater core.
Why would a 2001 Chevy Blazer heater only blow cold air?
Low coolant in the system. Defective heater control valve. Clogged heater core.
Why would a back heater blow cold air and front heater blow hot air in a 2003 Chevrolet Suburban?
The front expansion valve is clogged.
Heater does not blow hot air only cold on a 2001 Chrysler sebring?
check your coolant level
What could cause your jeep to only blow cold air?
Thermostat and/or heater core may be defective
How do you fix a heater that quit on a 1999 Chevy Tracker?
When you have the heater on, does it just blow any air at all? or no air?
Why is your heater blowing out warm air in your 1990 buick regal?
Isn't a heater supposed to blow warm air?
Why does your heater only blow hot air when you are pressing the gas and cold air whenyou are not?
Poor circulation from a faulty thermostat or a plugged heater core. Be sure the coolant reservoir is not empty.
Why does my 1987 jeep wrangler not blow hot air out of the vents?
Vent bypasses heater core when open,it is for outside air only...I know this because I just replaced heater core.
Why does heater blow only cold air?
It depends on the type of heater you have. It may be maintaining the room temprature or it may be warming up ( just like how air conditioners start hot )
Why would a car heater blow cold air but when it's moving it blows hot air?
check heater core could be cloggedCheck the engine coolant level also.*no, the heater relies on the engine for heat and when you drive the engine warms generating heat:)*
Why would a house heater blow out cold air?
It doesn't really blow it out it just warms the cold air.
Why does your 1999 blazer's heater only blow hot air at higher rpm's?
The thermostat could be stuck open.
How can you tell if heater blower is not working?
it wont blow heat itll blow cold air
Why would heater only blow hot air when you turn the temp switch down Replaced temp switch and still does it?
A restricted/plugged heater core can do that. Try flushing the heater core.
Why would the heater on your bravada only blow cold air?
Possible causes are, low on coolant, thermostat stuck open, clogged heater core or vacuum scorce not getting to the heater control.
