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What Happens When You Put Oil in a Hot Car?

by Russell Huebsch

To properly change motor oil in a car, the engine should be warm to thin the current oil, according to the National Automotive Parts Association. Putting oil in a car that is too hot could make it useless for a while.

Identification

Changing oil when the car is hot or warm will just make it easier to drain, according to Edmunds.com. As engine oil gets colder, it starts to thicken.

Considerations

You should not put oil in an extremely hot car, according to Car Bibles. At high temperatures, motor oil becomes so thin that it has poor lubrication and a viscosity close to that of water.

Tip

In the hotter summer months, you may need to go with a motor oil that has a higher viscosity, suggests Edmunds.com. Your car manual will detail which motor oil you need for the summer.

About the Author

Russell Huebsch has written freelance articles covering a range of topics from basketball to politics in print and online publications. He graduated from Baylor University in 2009 with a Bachelor of Arts degree in political science.

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