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Thermostat stuck open. Heater core clogged. Heater temperture control valve defective. Low on coolant.
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∙ 10y ago
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Why the heater blow cold air on 96 blazer?
the heater core was stopped up just flushed it out ok now
Why does 2000 Chevy blazer with climate control blow cold air then hot air then cold air again?
Sounds like a malfuntion in the heat blend door actuator call your local autozone for more info
Why does your Chevy blazer blow cold air out of AC vents when you go over 55?
check the temp guage if low change the thermostat
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.
My 2001 Chevy blazer will only blow cold air what can you do to trouble shoot what repair must be made?
My 2001 Chevy Blazer was blowing cold air when I had the heat on. My husband flushed the line to the heater core and a bunch of junk came out and now my heat works great. My 2001 Chevy Blazer was blowing cold air when I had the heat on. My husband flushed the line to the heater core and a bunch of junk came out and now my heat works great.
Why would a house heater blow out cold air?
It doesn't really blow it out it just warms the cold air.
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 a 2001 Chevy Blazer heater only blow cold air?
Low coolant in the system. Defective heater control valve. Clogged 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.
Does an air conditioner blow out heat or blow out cold air?
An air conditioner blows out heat
Why air conditioner on a 2001 Nissan pathfinder does not blow cold air?
If it does blow just not cold air you should see if it needs to be recharged
Why does your central air unit blow cold air for only a few minutes then blows warm air?
why does ac blow warm air? why does ac blow warm air?
