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Why would a thermostat run hot and the car heater blow cold air?
Wiki User
∙ 8y ago
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Would straight antifreeze make heater blow cold air?
No! Thermostat.
Why would heater blow out hot in the summer and cold in the winter?
Could be a bad thermostat.
Why would cold air blow out when you turn on the heater?
engine not warm, low coolant, or stuck thermostat
Why does my buick's heater blow cold air?
I would change the thermostat first. If that dont work change water pump
Why would a 1996 camaro rs heater only blow cold air?
check thermostat, might be stuck closed.
On a 2004 grand prix what would cause the heater to blow cold air?
heat core. leak. thermostat. no antifreeze.
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 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.
Why would your 2001 Gallant only blow cold air from the heater?
Your thermostat is the likely culprit here it is probably stuck closed. Have it checked out.
Why would a heater blow cold air at an idle and warm air while driving?
Low on coolant. Stuck open thermostat. Poor circulation (plugged heater core).
Can a thermostat cause heater in house to blow cold air?
No, not if it's on a heat setting. Most home thermostats have a "Fan" setting that will blow cold air if the attic is cold.
Your coolant is full in your 2000 Alero and your heater continues to blow cold air out your thermostat is above the half way mark when the heater sometimes works what is wrong?
Probably your thermostat
