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When you set the control, if you chose defrost, it usually does it at the temperature you specify. So if you want heat only blowing through the windshield vents, which I believe may be the question you are asking, it varies between makes of cars.
This is what to look for : defrost, fan speed, temperature.
If you mean "Can a car that only has a heater ( no air conditioning ) be used to defrost?" The answer is still yes.
I believe the question is missing words. It is comparable to asking "Hand, just finger work?" You might try asking again, being more specific, explaining why it is a problem.
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Do portable car heaters work?
Yes, portable car heaters do work, but it is best to look at reviews of different kinds before purchasing them. Make sure to check whether it is simply a car heater or a car defrost/defogger.
What does heater hoses do on a vehicle?
a heater hose runs from intake to heater core to radiator. the heater core is were the heat comes from inside the car as well as defrost
What causes Taurus to shut off when heater or defrost is cut on?
car cuts off
Can't defrost my windshield?
The fastest way to defrost a windshield is to turn the defrost vent on without heat or simply open the windows. Another option is to warm the inside of the car by turning the heater on.
How do you know your heater core is leaking?
Usually, you'll get antifreeze on your passenger floor, steam out the defrost and / or have a very noticeable sweet coolant smell in the car. The heat won't work well and the car will overheat.
Is freon needed to drive a car?
no but your defrost wont work well
I smell antifreeze when i run the defrost on my 1999 Lincoln town car?
if you can smell antifreeze you need to replace the heater core in the vehicle
Heater changes to defrost all by itself 1993 eagle vision?
turn the car off, unhook the battery, hook it back up, then try it again, could just be something to do with the "auto" setting
Car heater and defrost only blow cold air?
Thermostat stuck open, if older car possibly clogged heater core- when run at oper temp the hoses going into/out of heater core be sure one is very hot - start with thermostat $$$ cheap & easier than a heater core problem!
Why cant get the heater to work in the car?
You could have a problem with your thermostat in the car.
Is there a portable car heater to defrost windows and keep interior warm?
yes there are one's that plug into your cigerette lighter at any wal mart or car store,but they do any o.k job at best
There is smoke coming into the car through the defrost after you turn off car and it smells like antifreeze?
The smoke is actually antifreeze mixed with air. The most common cause of this is a leaky heater core.
