Skip the auto shop - Our mechanics make house calls

Q: What would cause oil to get into the coolant?

asked by on

I had a mechanic run straight water in the cooling system and there was no oil. As soon as we added antifreeze oil started to show up again. The car is also overheating and we cannot figure the problem out. Can you help?

My car has 78000 miles.
My car has an automatic transmission.

Hi, thanks for writing in. A cracked head gasket is the definite answer to your question. You will need to fix this as soon as possible. It is detrimental to the running of your engine. Here at YourMechanic, we can have a technician come to your home or office to inspect this issue and confirm a diagnosis for you, and make or suggest the necessary repairs.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: What does the engine oil pressure light mean in a 2012 Ford Explorer?

The engine oil pressure Warning Light is located on the instrument panel. This light illuminates when your engine’s oil pressure is below the minimum level. Operating your vehicle with an insufficient amount of oil is very dangerous, so you should...

Q: over heating

If you see no coolant leaks yet you are adding a half gallon of coolant every hundred miles indicates the coolant is going somewhere. It may be a small enough external leak that the coolant is burning off before it...

Q: Is this problem the thermostat or blown head gasket?

Hey there. Test to see if the head gasket is blown the cooling system will need to be pressurized using a cooling system pressure tester to put pressure on the cooling system to see if it holds pressure. If it...

Related articles

How Do Power Car Windows Increase Passenger Safety?
Power windows are responsible for approximately 2,000 emergency room visits every year. When a power window closes, it exerts enough force to bruise or break bones, crush fingers, or restrict an airway. Though...
What Causes Hoses to Leak?
While the largest part of your engine is mechanical, hydraulics plays a significant role. You’ll find fluids at work in a number of different areas. Your car's fluids include: Engine oil Transmission...
How Much Does a Mechanic Make in Vermont?
Automotive technician jobs in Vermont have an average mechanic salary of $37k, with some mechanics earning a salary of $53k.