Skip the auto shop - Our mechanics make house calls

Q: White smoke coming from the water pump out of radiator hose outlet

asked by on

Previous overheat. Replaced head gaskets and front head due to stripped head bolt.. overheated again. Water in oil. And smoke coming our of water pump at radiator hose outlet.. maybe a cracked head? Need help. Thank you
My car has an automatic transmission.

Hi there. Assuming, proper procedure was followed replacing the head gaskets. The original cause for overheating must of been overlooked. The thermostat stuck closed, the radiator restricted, the radiator cooling fan(s) inoperative. The cylinder head and/or cylinder head gasket issue should be confirmed before disassembly. Removing the spark plugs and pressure testing the cooling system, should help identify which cylinder has coolant contamination. The machine shop you are using should be able to check for cylinder head cracks. I recommend having your vehicle’s engine overheating issue diagnosed and repaired by a certified technician, such as one from YourMechanic, if you’d like further help.

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!
  1. Home
  2. Questions
  3. White smoke coming from the water pump out of radiator hose outlet

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: Check Engine Light is on with trouble code P0014.

Hello, this over-advanced camshaft timing is a significant problem, and should be checked out ASAP by a professional mechanic. Trouble code P0014 indicates a problem probably due to worn timing chain guides, a stretched timing chain, or a weak timing...

Q: Leaking issue

The fuel filter and power steering system are in two completely different parts of your car. The power steering pump, rack and lines are located in the engine compartment and the fuel filter is located on the cross member...

Q: Not getting heat when idling

Of course the system has too be coming up to operating temperature in order to get good heat. If it isn't, you will need to replace the thermostat. But if the thermostat is good and the engine is coming up...

Related articles

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...
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...
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...