Skip the auto shop - Our mechanics make house calls

Q: Oil mixing in with coolant, No overheating. Car performs fine.

asked by on

Oil is leaking and mixing in with the coolant in the reservoir. No warning lights are on, no overheating, and the car performs fine.

A: If you are seeing oil in the water it could...

If you are seeing oil in the water it could indicate a blown head gasket and should be looked at by a technician. I would not drive the car until you fix the problem because a blown head gasket could allow water into the motor and cause a number of problems. None which are good or end with the motor running again.

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・Fair and transparent pricing

Get a quote

What others are asking

Q: Does your Audi battery replacement include coding the battey management system?

Hi there. That is a very good question. This would depend on the scan tool or other diagnostic equipment required to perform the coding. Customer service may need to verify that this service can be performed by the technician that...

Q: Rack and pinion has a leak

A visual inspection of the power steering system is required. Concerning a BMW, it is slightly more labor intensive because all the power steering components are on the underside of the vehicle which requires lifting and removing the shields underneath....

Q: Smoke is coming out of dipstick and where you put the oil in also the oil keep burning up in about four days and its starting to s

Hello. This suggests you have a couple of different problems that may be indirectly related. Smoke coming out of the dipstick to a certain degree is OK, however if this is excessive, this is not good and should be looked...

Related articles

How Long Does a Heater Control Valve Last?
Keeping the right amount of coolant in a car is essential in keeping the engine at the right temperature. Failing to have the right amount of coolant or even bad elements...
P0240 OBD-II Trouble Code: Turbocharger Boost Sensor B Circuit Range/Performance
P0240 code definition Turbocharger Boost Sensor B Circuit Range/Performance What the P0240 code means P0240 is an OBD-II generic code triggered when the Engine Control Module (ECM) detects the intake boost...
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.