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Because your thermostat is probably stuck open
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∙ 14y ago
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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?
1999 Mercury Grand Marquis heater puts out cold air?
Check to insure that the engine coolant is full and the thermostat is not stuck. Without the heated fluid from the engine the heater will always blow cold air.
Why does your heater not blow out warm air?
if the heater does not blow out warm air change the setting.
Why does 1999 grand prix only blow cold air when temperature control is turned all the way to the right?
Low coolant? Heater core airbound, resgtricted, or plugged? Bad thermostat? Heater control cable not adjusted properly?
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 does the heater on 1999 grand prix not blow hot air The blower works fine the temp control is set on hot and it has new blower motor?
Have you checked your coolant? Kind of obvious but sometimes overlooked.
Why does your 1999 blazer's heater only blow hot air at higher rpm's?
The thermostat could be stuck open.
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.
On a 2004 grand prix what would cause the heater to blow cold air?
heat core. leak. thermostat. no antifreeze.
Why wont my heater blow out hot air only cool air on my 1999 Chevy Tahoe?
if this system uses dex-cool flush the system
What causes the heater to blow cold air when the engine is overheating on a 1999 Cadillac Seville?
Low coolant. If the coolant is low then the heater core is not able to transfer heat in to the car.
How will the heater react if the heater core is stopped up?
Your heater will blow cold air only.
