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So that the water used as coolant in most car radiators does not freeze overnight. If it does then, because ice expands as it freezes and melts, it can crack the engine block. The antifreeze lowers the freezing point of the coolant and reduces the risk. The more antifreeze, the less risk of freezing. But too much and it will boil when the car is running.

Additives in antifreeze also reduces corrosion and raises the boiling point.

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Q: Why is antifreeze put into car radiators?
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Related questions

What fluid do you put into car engine radiators?

antifreeze antifreeze a fifty fifty micture of water and antifrez is best


Why so people put antifreeze in car radiators?

antifreeze keeps your car from overheating, it flows thru your radiator hose, without it your motor would blow


Is antifreeze added to car radiators to lower the freezing point of water?

Yes. The antifreeze/coolant also raises the boiling point and has lubricant and anti corrosive properties.


What liquid is used in radiators?

Antifreeze/Coolant


What liquids are used in radiators?

Water and antifreeze mixture. The antifreeze has additives that help prevent corrosion.


When do you put antifreeze in your car?

All the time


Why does your cat lick radiators?

Stop your cat from licking radiators IMMEDIATELY!!! Antifreeze used in radiators is not just poisonous, but deadly to cats even in small amounts. Unfortunately antifreeze also taste great to them. Please stop your cat immediately and consult a vet.


What is antifreeze?

Antifreeze is a substance such as glycol which is used to lower the freezing point of water, and is used as an additive in the radiators of motorcars.


Where is the antifreeze located on your car?

the antifreeze runs through all your water lines in your car . . . . you put it in your water tank or radiator


What fluid do you put into car engine radiators along with anti freeze?

You mix it with water.


Which compound below can be used as the antifreeze in cars radiators by mixing with water?

Eethylene Glycol


Where should you put antifreeze in a car?

In the coolant reservoir when the engine is cool.