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Check coolant level in radiator Check to see if it is "airbound" Remove heater hose to see if there is fluid running through it Bad thermostat
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∙ 16y ago
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Why would your heat only work on defrost?
ihave a 1986 chevette that when i turn defrost on it blows out heat and when i put heater on it blows out only cold air? ihave a 1986 chevette that when i turn defrost on it blows out heat and when i put heater on it blows out only cold air?
1996 vw sharan heater blows cold cabin hot?
can you please clarify what you mean, do you mean that the front heater blows cold but the rear blows hot or do you mean that when the heating is on cold it blows hot? many thanks paul
1989 corvette heater blows cold air even though both lines are hot going to the firewall do you have to change the heater core and if so how do you do it?
I would say that your heater core is ok...it sounds like you have a bled door promlem in the dash.
If the heater works but blows cold air and heater core is good what do i check next?
Get the air out of your heater core.
Ac works but heater blows cold air?
heater hoses might have been disconected
Your heater in your jeep only blows cold air why is this?
The most common reason a automobile heater blows cold air is the water level is low. Check the water level and fill to the appropriate level.
Heater problems on ford 1999 expedition?
the heater blows warm air when fan is on low but blows cold air when fan is turn to higher setting
Why does Heater blows cold air on 2001 blazer?
you must have low coolant or a bad heater core
2002 dodge ram 1500 4.7 liter heater not working blows but not hot air?
we changed radaitor & thermastate , now heater blows cold air
Why does your heater blows cold then hot then cold then hot?
It is because your heater is having to heat up so its blowing cold air out while its heating up.This means your heater is not very efficient and it needs to be checked.
Car heater blows cold air when not driving?
A car heater taps off engine heat. If you aren't driving, then the engine is cold and there's no heat for the car heater to use.
Why Mitsubishi heater problem?
Whats the problem? Blows cold air with the heat settings on?
