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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 heater on a 2001 Chevy Blazer blow cold air if the thermostat was just replaced?
The heater valve could be failing to open for one reason or another.
Why does my 2004 Monte Carlo heater blow cold air?
Low coolant? Bad thermostat? Heater control cable not adjusted properly? Heater core airbound? Heater core plugged?
On a 2004 grand prix what would cause the heater to blow cold air?
heat core. leak. thermostat. no antifreeze.
Why could cause the heater in 1994 Chevy Cavalier to blow cold air only?
Either the linkage from the temp control unit to the valve on the heater core (which is behind the radio and temp controls) or it is the heater core itself.
How will the heater react if the heater core is stopped up?
Your heater will blow cold air only.
On a 1998 Chevy blazer what would cause the heater to blow cold air?
Check Antifreeze level..make sure there are no leaks under the vehicle.
Why would a house heater blow out cold air?
It doesn't really blow it out it just warms the cold air.
How can you tell if heater blower is not working?
it wont blow heat itll blow cold air
Why does the heater blow heat while driving and cold at idle?
you need to replace your heater core
On a 1998 Chevy Blazer what would cause the heater to blow hot air then cold and occasionally back to hot?
Either a faulty thermostat or you have a low coolant level.
Why does Kia Sorento heater blow cold air?
you are low on coolingliquid !
