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You can use almost any liquid in a radiator, but water is not the best choice. Water boils at 100 degrees (and your engine gets way hotter than that), also it freezes at zero degrees and in many places it gets colder than that.

Engine Coolent is an additive that you add to water or replace the water in a radiator. Coolant raises the boiling temperature and lowers the freezing temperature so that your radiator will work in the widest possible circumstances.

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Q: Do you use coolant or distilled water in a car radiator?
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Is it good to put distilled water into a car radiator?

Yes as long as it is mixed 50-50 with coolant/antifreeze.


What is best water for car radiator?

Pure distilled water.


What is a water pump in a car?

In a car the water pump circulates coolant through the engine and to the radiator.


Where does the water go in a car?

The cooling system contains a 50/50 mixture of anti-freeze and distilled water. This coolant is stored in the radiator and overflow tank. The battery contains a 35% mixture of sulfuric acid and 65% distilled water. The windshield washer resivoir contains a mixture of distilled water, detergent, and an anti-freezing agent.


How long should a radiator last in a 2006 Toyota Highlander?

If you change the coolant as recommended in your owner's manual and use the proper coolant mixed 50/50 with distilled water the radiator can last the life of the car. Neglect this service and it may only last 10 years or less.


Why is there water in the car cylinder?

It's probably coolant, not water, could be from a cracked radiator.


How do you know if it is a radiator leak?

For radiator leaks look for the following signs: The car will overheat Coolant level will frequently drop Pool of coolant or water under the car radiator Obvious leak noted from radiator on starting the car Faulty radiator cap causing the leak


Why is your car using lots of water?

It is leaking coolant or the radiator cap is faulty.


When do you put water in your car?

Not recommended to use straight water. You should add a mixture or 50% each of water and Anti-freeze when the coolant level is below the add mark on the reservoir. Use only distilled water to prevent minerals from corroding the radiator.


What to do when water freezes in automobile?

If you mean the water in your radiator, don't drive your vehicle until it thaws or your engine will overheat because no coolant will be flowing through it. You should keep 50% antifreeze and 50% distilled water in your car radiator at all times. (maybe slightly more antifreeze in cold winter weather) Water in the radiator won't freeze with antifreeze mixed with it.


You have had overheating problem with your car and quickly you filled the coolant tank with water and after you drive one mile your car overheated again and the the coolant dried up really quick?

If you can't see where its coming from, it may be a cracked head, or a bas headgasket. Also, when you add water to the coolant tank, it doesn't immediately go into the radiator. After the car sits a while, the radiator starts to cool, creating a vacuum. Water/coolant is then pulled into the radiator from the coolant tank.


How do you know if water pump has broke on my car?

You should see the coolant circulating in the radiator when the car is running