Skip the auto shop - Our mechanics make house calls

Q: Oil vapor mixing with antifreeze and backing up into the antifreeze reservoir

asked by on

The oil vapor is mixing with the antifreeze and backing up into the antifreeze reservoir. What is wrong?

A: From the information provided about your Sa...

From the information provided about your Saturn L300 it appears that oil and coolant are indeed mixing and this is not a good thing. Usually when oil and coolant mix, this is an indication of a leaking or blown head gasket. However, this is a major repair. To be certain that this is indeed the problem your Saturn is experiencing, it is best to enlist the assistance of a certified mechanic to come inspect your antifreeze reservoir, drain it, and locate any leaks that may exist.

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

Ask a Mechanic
(100% Free)

Have a car question? Get free advice from our top-rated mechanics.

Ask A Mechanic
Over 10,000 questions answered!

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Save up to 30%

Get a quote

What others are asking

Q: Car smells like very strong gas leaking at the bottom

Hey there, thank you for asking a question about your 2005 Saturn Ion. A "strong" odor of fuel is an emergency circumstance. If you park a vehicle with a known gas leak in a tightly closed space, such as a...

Q: the ignition locks up some times,the steering wheel is locked and it is in park

Hello. The symptoms you describe can commonly be caused by a faulty or worn ignition lock cylinder. The ignition lock cylinder is the physical tumbler where the key is inserted. If it, or the key wear out they may no...

Q: Car won't start after driving without the cap on the antifreeze.

Hi there. From the description you have provided, antifreeze getting on the alternator would not keep the engine from turning over unless the battery was low. The alternator could have been compromised by the antifreeze, if your vehicle was driven...

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...
How to Avoid Back Pain in a Car
If you have back problems, sitting in a car for an extended period of time can be excruciating. Even without back problems, you could experience discomfort and soreness from...
P2103 OBD-II Trouble Code: Throttle Actuator Control Motor Circuit High
P2103 means there is a fault with the throttle actuator control motor circuit, likely due to a defective electrical component or part.