Q: Antifreeze mixing in with oil and leaking.

asked by on

Car was idol and white smoke started coming out of driver side under the hood. Sweet smell (I assume antifreeze) and I noticed that the antifreeze is starting to mix with the oil in the car. I had no antifreeze left in the car so I walked to the store and got some and filled it up. After about an hour of my car turned off I started it back up and drove home with no problems what so ever. This morning there was an oil puddle under my car. What could the issue be?

My car has 99134 miles.
My car has an automatic transmission.

If oil and coolant is mixing, then the engine oil level may have overfilled the engine oil and coolant mixed and oil got on the ground. Pull out your dipstick to check oil level to see if it is overfilled. If so, then you have a head gasket leak. Do not try and run the motor and only tow it to the shop or have it repaired at the car’s location. A certified technician from YourMechanic can come to your car’s site to diagnose the coolant leak and assist you with the needed repairs.

Was this answer helpful?
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details
  1. Home
  2. Questions
  3. Antifreeze mixing in with oil and leaking.

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: Ford fiesta in park but wont start and will only go in neutral

There are a number of tings that may cause this, however some are more common than others. Your car has a switch that allows the computer to differentiate between being in park or neutral for purposes of starting the car...

Q: Loss of power - 2006 Infiniti G35

Hi and thanks for contacting YourMechanic. Since you are getting different sensors acting up, check all of the connections to all of the sensors and make sure that there is no missing bolts. There could be a vacuum leak causing...

Q: I accidentally put expired motor oil in my car, will it damage my engine?

Hey there, thanks for writing in about your 2002 Subaru Outback. I don't think you should have any worries. As long as the oil did not have any contamination from water then it should be okay to use the expired...

Related articles

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 Long Does a Distributor O Ring Last?
The distributor is part of the ignition system in your vehicle and its purpose is to route high voltage from the ignition coil to the spark plug. The spark plug then...
Rules of the Road For Iowa Drivers
Driving on the roads requires knowledge of the rules, many of which are based on common sense and courtesy. However, even though you know the rules in...