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Yes it can, as long as the engine is running. Be careful when taking the radiator cap off thou, cause its under pressure.

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Q: Can Antifreeze be added to a warm engine?
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New engine in storage does it require antifreeze?

If it has never had any water/coolant added, then no it doesn't require antifreeze.


Can check engine light go on w low antifreeze?

Doubtful !... The antifreeze is added to the radiator - to keep the water above freezing point. There is no way of the engine knowing how much antifreeze is circulating.


How does antifreeze added to the water in a car and radiator protects the engine from damage?

. Solubility _____,


Why is antifreeze required to be added to an engines coolant?

Antifreeze helps the engine run cooler in the hot months and prevents the coolant from freezing in cold weather.


Can you put antifreeze in cars from 2000 2004?

In countries which have a winter season ALL cars should have the correct amount of antifreeze added to their coolant fluids. If this is not added and the fluid freezes the expansion of the ice will crack the engine block.


Should engine be warm when brake fluid is added?

It doesn't matter,


What happens if you put antifreeze in where the oil go?

If you start and warm up your engine: 1) The oil gets very foamy and mucky, and does not circulate through the engine properly. 2) The water in the antifreeze can heat up until it turns to steam, which expands with great force, and breaks some part of the engine. It's best to have the oil changed. That will empty the engine of the oil and antifreeze mix.


Does antifreeze make your ac blow cold air?

No. Antifreeze is added to the engine cooling system to help the engine run cooler and keep the water from freezing in the winter. A refrigerant (also called freon) is what makes the a/c blow cold air.


How does an antifreeze work?

it keeps you warm.


If you recognized you added antifreeze to your engine and drained it before you ran the car would the engine be okay after refilling it with oil?

Yes, if you drained it out before starting it should be ok.


Is antifreeze a noun verb or adjective?

Antifreeze is a noun. It refers to a liquid typically added to a car's radiator to prevent the engine from freezing in cold temperatures.


Do you add fluid when car is started or not?

That depends on the fluid being added: Automatic Transmission Fluid (ATF) should be checked after the engine/transmission are warm (has been driven several miles) and fluid can be added while the engine is running. After new fluid is added, the trans should be shifted through all the gears (Park - Reverse - Neutral - Drive - 2nd - 1st - 2nd - Drive - Neutral - Reverse - Park) stopping for a moment in each gear to allow the transmission to get 'in' to the gear, and placed back in Park before rechecking. Oil should be added without car running, then started and run for a few seconds, turned off and recheck. Antifreeze should be added to a cold engine, and can be added when you first turn car on, but after the thermostat opens (warm/hot engine) the level will drop and you can overfill it (excess will run out of the reservoir when it cools back off due to pressure it creates). Antifreeze is typically added to the reservoir to the indicators on bottle. Manual Transmission Fluid does not require engine to be on or off. All other engine fluids (Brake, Power Steering) should be added with engine off. Windshield washer fluid can be added at any time. Hope this helps...