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No, the over fill is simply to catch coolant that has escaped during overheating or leakage and try to return it to the radiator when things cool off. On many or most modern cars the tank really isn't so much an overflow but it's to purge air in the system and exchange that air with coolant. Any car I've owned with an actual old style overflow tank it was removed and tossed in the trash because I think they're ugly and as long as the system works fine and you don't abuse the motor by overheating it isn't needed at all. The problem is most people don't watch the engine temp and let it overheat, that and older cars overheated easier than cars today.
What else can I help you with?
How do you make a car overheat?
drive it without coolant
A sentence using overheat?
The car's engine will soon overheat without some kind of fluid in the radiator. I'm taking off my coat before I overheat.
How your car will react running without antifreeze?
It will overheat, unless you can successfully air cool it.
Can you drive a car without a radiator cap?
Not for very long, the coolant will splash out to a point where it will overheat.
What happens is your radiator fluid is empty?
if you run your engine without antifreeze your car will overheat and ruin the engine.
If your car is low on coolant does it cause it to overheat when using the air conditioner What else can cause it to overheat while the air conditioning is on?
Yes, low coolant will cause it to overheat without the AC; that is not the only reason that will cause overheating however.
What happens when you overfill the coolant in your car?
If you were to overfill the coolant in your car, then it would start to overflow and come out of the car. The most damage that this would probably do would be getting the coolant on the ground and wasting it.?æ
Will a car overheat in the winter?
no, it will not
What does the fan do in a car engine?
cools the engine. without a fan, the car will overheat and the coolant will boil. the fan controls this from happening by cooling the coolant as it passes through the radiator.
Does the ac cause the car to overheat?
no
Is thermostat important in a car?
Yes, it controls the coolant flow around the engine block, without coolant the engine would overheat.
What was cause a Lincoln town car to overheat?
sometime the fan do not work which can cause the car to overheat. Also it can be a fuse for the fan. Check your thermostat.
