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How do you remove antifreeze from engine oil?
The engine in my car overheated and caused the cylinder head to crack. When I checked it out, I noticed a light brown liquid on the dipstick and realized that my engine coolant had mixed with engine oil. How can I remove the antifreeze from the engine oil?
Kara Vanderbeek · Updated on
Reviewed by Shannon Martin, Licensed Insurance Agent.
Oh no! When antifreeze mixes with oil, your engine will no longer be lubricated, nor will it be able to stay at a consistent temperature, so it’s best to deal with this situation as soon as possible.
To remove the coolant from your engine oil, you will need:
- 2 ounces of dishwasher detergent or vinegar
- One gallon of clean, hot water
Start by mixing the detergent with water and filling the cooling system with your mixture to the highest point possible. Then, start the car’s engine and allow it to run for 5 minutes. Next, stop the engine and drain the entire cooling system.
Repeat these steps with a fresh mixture until all coolant has been removed from the oil. Once all traces of the engine/antifreeze mixture have been cleaned out, fill the system with clean water and start the engine.
After the engine has been running for 5 minutes, stop the engine and allow the cooling system to drain out. Finally, fill the cooling system with a 50/50 mixture of antifreeze and clean water.
As your engine gets back up and running, it’s important to make sure you’re covered with
car insurance
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