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Good change a plugged heatercore. When it runs, feel the two hoses going into the firewall that carry coolant. If one is smokin hot and the other isn't, then that's the problem. Post you results.
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Why would the heat stop working on 91 Chevy blazer?
Is it blowing cold air only or not blowing any air at all.
2004 Chevy Tahoe not blowing air from AC fuse AC good. thanks?
Is is blowing hot air on the drivers side, or nothing at all? If it is blowing hot air even though you have the thermostat set on cold - it could be the heat actuator. It will occasionally do this after about 75000 miles or so. Mine started at 114000 miles and if you turn it off and turn it back on - it will start blowing cold again...$400 repair. Hope this helps.
Why is air conditioner running outside unit but not blowing inside?
If your air conditioner is running outside by not blowing cold air inside through your vent, your indoor coil is frozen. You will need to turn everything off and allow the unit to thaw out.
Why does my 2001 dodge air conditioning not blow cold?
if its blowing, but not blowing cold its low on coolant. it takes r134a.
Why is house heater running but blowing cold air?
Turn up the inlet gas pressure on the furnace to create more BTUs.
Central air not blowing cold air?
There are a few reasons why a central air unit is not blowing cold air. The coils may be dirty, the unit may need freon, or the thermostat could be broken.
Why is the compressor so hot on the refrigerator and no cold air is blowing out?
The compressor is so hot b/c there are fans inside that push the hot air out of the refrigerator. No cold air is blowing out b/c the cold air is going into the fridge.
Why is your heat blowing out cold air?
Replace Thermostat
Why is your home air conditioner blowing air but no cold air is coming out?
my air conditionel is blowing hot air what i need to do how i put air in my home window conditional
2000 Corvette air conditionig blowing hot air not cold?
when turning on air conditionor for cold air only get hot
Jeep Wrangler has no heat?
What do you mean by "has no heat"? No air blowing out, blowing out cold air when heater is on, blowing nothing at all? Heater not turning on? What specifically is happening?
How can you control your blowing being cold and hot?
blowing cool air, is the air only in your mouth... warm air comes from your lungs. temperature also varies by how open your mouth is while blowing air out
