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Drain existing coolant from the plug at the bottom or rear of the radiator

Flush radiator with clean water until water runs clear

Re-fill radiator slowly (to prevent an airlock) with a mixture of 50/50 water and antifreeze

Run engine to normal operating temperature with heater on

Re-check coolant level

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16y ago
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9y ago

Coolant is added in the top of the radiator through the filler under the cap on some models. On the models without a radiator cap, the system is filled by adding coolant to the overflow bottle.

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13y ago

Coolant is what circulates in the engine to cool it. In most places, it is a 50/50 mix of anti freeze and water. If you are asking what do you put in the bottle marked Coolant under the hood, that is what you put in.

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14y ago

1. Remove radiator cap. 2. Place funnel in hole. 3. Pour antifreeze into funnel until radiator is full. 4. Remove funnel. 5. Replace radiator can. 6. Remove Overflow reservoir cap. 7. Add extra antifreeze to Overflow reservoir to full mark. 8. Replace Overflow reservoir cap. 9. Start vehicle and watch temp gauge for 5 minutes, also watch engine area for antifreeze leaks.

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19y ago

This can become a little bit complicated, so you need to go to a car parts store, and get a repair manual for your car. They cost about $16.00 Or, go to a Public Library.

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15y ago

IT HELPS KEEP YOUR VEHICLE NOT TO OVER HEAT

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13y ago

It will vary depending on the car. Coolant is in the radiator and the overflow tank is usually on one of the inside fenders. Usually on the opposite side from the battery.

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Q: How do you add coolant to a car?
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Related questions

Does car need to be running when putting in coolant?

yes, should never add coolant to cold engine


Why is my car overheating and get no heat inside the car?

You are probably low on coolant. You need coolant to heat the cabin and cool the engine. Add more coolant and take your vehicle to a shop to find/fix the leak.


When do you add coolant with the car started or not?

You should add coolant with the engine off and cool, top off the radiator and fill the coolant reservoir to the cool or cold level. When the system is hot or running it will be pressurized and will be dangerous to open. You can however add coolant to the overflow reservoir at any time.


Where do you add coolant in your mustang?

depending on what year the car is it will either be to the radiator or to the resivour


If the low coollant level light is on what is wrong?

you need to add coolant to the coolant resevoir. coolant is antifreeze. if you dont have enough in your car you can overheat and damage your engine.


Where do you put and fill water in BMW car engine?

At the radiator or overflow tank. Do not add water, add coolant.


Why do you keep on having to add engine coolant to a car?

Maintaining the fluids in the cars is important. A person has to keep replacing the coolant fluid because the car is using it or because there is a leak.


You were told by a mechanic to add coolant to your buick container if it needs it There is a cold line and a hot line on the container how high should you go?

After your car has completely warmed up the coolant level should be at the hot line. If it lower than that , wait until the car cools off and add coolant until it reaches the cold line. Never add the coolant directly to the radiator as you may over fill it.


Do you add engine coolant with car on or off?

Off and cooled down. Putting cold coolant into a hot block can crack it. And it can damage the radiator, as well as spitting the coolant back at you.


Does the car need to be running when adding antifreeze?

No , it's best to add coolant when the engine is cold


How do you add coolant to a 2004 Chevy Malibu?

i have the same car. ya just go ahead and add it to your radiator while running


Coolant loss Any Expert advice?

Coolant loss out of what? Car, home air conditioner? Please add additional details in order to receive an answer.