Skip the auto shop - Our mechanics make house calls

Q: Coolant is leaking also smoke is coming from engine.

asked by on

I'm having coolant leaking from the center bottom of engine. White smoke is coming from engine also. No oil or coolant has mixed either. Please help!!! Thank you!!!

My car has 280000 miles.
My car has an automatic transmission.

A: If the white smoke is coming from the engin...

If the white smoke is coming from the engine / engine bay, then it's possible that the leaking coolant is coming into contact with hot engine and/or exhaust components and causing the smoke. If the white smoke is coming from the tail pipe and has a sweet smell to it, then there can be an internal engine failure such as a head gasket or intake manifold leaking. If the smoke is from the engine, then pressure testing the cooling system for leaks may locate the leak. A certified technician can diagnose a coolant leak by either pressure testing and / or dye testing the cooling system. Pressure testing will apply pressure to the cooling system while the vehicle is off and force the coolant from the leaking component. If that does not help isolate the leak, then a special dye visible under black light can be added to the cooling system. The dye will leak out along with the coolant and it's trail will be visible with the black light.

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・Save up to 30%

Get a quote

What others are asking

Q: Transmission slipping

Hello. This is a serious issue that requires immediate attention by a transmission specialist. This is an internal problem with possible issues with worn bands, valve body, or other components which could cause other parts to fail, due to too...

Q: A leak occurred while adding coolant to the engine

Hello, the coolant system is a sealed system, meaning coolant has a path within the system and should not leak anywhere. A leak in the system means there is a component, such as a hose or seal, that has failed....

Q: Truck pulling to right when in 4 wheel drive.

When in four wheel drive the pull to the right may be caused by play or another issue with your right front CV axle. This play from the CV axle could cause a wobble of the wheel on the right...

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...
P0052 OBD-II Trouble Code: HO2S Heater Control Circuit High (Bank 2 Sensor 1)
P0052 code definition HO2S Heater Control Circuit High (Bank 2 Sensor 1) What the P0052 code means This code is seen when the Engine Control Module (ECM) tries to control the...