Question about 2003 Mercury Mountaineer

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2003 Mercury Mountineer over heating

Im getting a little foam in the oil fill cap is this a indication of a head gasket problem

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Posted on Feb 11, 2009


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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Blowing white smoke

If you have overheated your car recently, then you possibly have a blown head gasket. Take off your oil fill cap (with engine off) and inspect to see if there is a milky substance underneath the cap. If so, bad news- head gasket. You can also check the oil dipstick for the same substance to verify bad head gasket, but usually it has to be pretty bad (gasket) or driven for a while before exhibiting any signs. The oil fill cap is a pretty good indicator. With the car cool, you can open the radiator cap and look and smell for anything other than coolant (fuel smell or oil slick). If so, probable head gasket.

Oct 24, 2015 | 2003 Nissan Sentra

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If you get an overheating problem, the pressure in the system increases, The radiator cap has a pressure release valve to stop further damage to the system and release the pressure which gives the impression of coolant leaking out. Possible causes of overheating:- Low coolant level (a leak in the system). Thermostat not opening (need to replace). Cylinder head gasket leaking (need system pressure tested) indication of head gasket can be water in the oil, look in the oil filler cap, if there is a creamy brown sludge, indicates water present. Weather if the weather is hot, possible electric cooling fan isn't working. There is a possibility that the seal on the radiator cap is at fault (rare)

Jan 03, 2014 | 1991 Ford Aerostar Extended

1 Answer

I think the coolant is getting into the engine. The oil cap and PCV have an orange foam on them. Any good stop leaks? Or suggestions?

you can purchase stop leaks, but i would have the vehichle checked out for a blown head gasket, or leaking intake manifold gasket and get it fixed right, hope that this has helped you.

Mar 18, 2011 | 2003 Oldsmobile Silhouette

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Volvo S70 Turbo..Just had head gasket replaced. I'm getting white smoke out the exhaust, white smoke out the dip stick and pressure at the oil fill cap. The oil at the dip stck seams a little foamy. Oil...

Not good. Someone didn't put it together right or something came apart. It's burning oil. Check the inside of your tail pipe. If it's wet and oilly then you are burning oil. Oil foaming is from compressed air getting to it. You will have to recheck everything done when head gasket set was replaced.
Good luck and thanks for your question and I hope my suggestions help. burdfrenzy
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Dec 24, 2010 | 1998 Volvo S70

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Loosing coolant,but there is nothing leaking.i am adding coolant every day

it is getting sucked into the engine through a crack or bad gasket.
needs attention ASAP. take a sniff at the tailpipe for antifreeze odor, or look for foam on the bottom of the oil fill cap. ain't good.

Nov 01, 2010 | 2002 Pontiac Sunfire

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Water is leaking out of my coolant is overheating with less than 2 mins of driving

Need to seal the leak in the coolant container with epoxy or by replacing the coolant container.

Fill coolant system with 50/50 solution up to 2 gallons may be required to stop the overheating.

Don't drive an overheated engine.

Aug 11, 2010 | 1993 Saturn SL1

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Loosing coolant. slow at first now more rapidly. No visiable leaks. Using red coolant. filled with water seems to foam at filling.could this be the water pump? Or is there another area to be conserned...

You may have a bad water pump, a bad coolant transfer tube behind the engine or a leaking head gasket. The foaming may indicate the head gasket. I would take it to a mechanic and get the head gasket integrity checked out.

Jul 18, 2009 | 1992 Toyota Paseo

1 Answer


it is start of blown cylinder head gasket, change it before you have engine over heat.

Jan 18, 2009 | 1991 GMC S-15 Jimmy

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