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Heat from the engine causes liquid to expand. It used to overflow onto the ground if it caused enough pressure to open the radiator cap. The overflow tanks were installed to automatically catch and return the coolant to the cooling system.

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Q: Why does antifreeze backup into the overflow tank?
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What causes antifreeze to overflow out of tank?

something.


What does it mean when coolant in overflow tank is low and is leaking antifreeze from that side of the car?

The overflow tank is either cracked or its overheating and leaking from the cap


Ford focus where do i add antifreeze to 2005?

pour it into the overflow tank


Where is the antifreeze tank in a 1992 Honda Prelude?

there is an antifreeze overflow tank, look on the radiator next to the radiator cap and there should be a smallish hose, follow it and you will find the tank.


Why does antifreeze surge in the overflow tank of a 99 Chevy Suburban?

Engine overheating will cause the anti-freeze to surge into the overflow tank. A blown head gasket will also cause the anti-freeze to surge into the overflow tank.


Where is the antifreeze tank in a 1995 Honda Accord or do you just put it in the radiator?

Put it in the radiator but also make sure the overflow tank is full. Follow the overflow tube from the radiator and you will find the tank.


What will happen if you put too much antifreeze in the overflow tank?

Nothing. It will not hurt anything.


How does the overflow tank work?

if your water/antifreeze gets to hot it pushes out the over flow tube into the overflow container, as it cools down it will suck it out of the overflow and back into the radiator.


Why is your antifreeze tank boiling?

The overflow tank for coolant will "boil" if there is air getting in the coolant chamber. This can be a head gasket going bad.


Why is antifreeze boiling out of the top of the overflow tank on a 96 Taurus after the car is shut off?

Check your thermostat.


Where do you put antifreeze in your 2005 Honda Civic?

Antifreeze is added to a 2005 Honda Civic at the coolant overflow tank. Antifreeze is added at a ratio of 50/50 with water for optimal cooling.


Where do you add antifreeze to the radiator of a Chrysler Cirrus?

To the overflow tank and if the radiator has a cap,you will need to fill it with the engine cold.