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Engine overheated this morning due to cold weather and cut out. got it running again but white smoke coming out of the tail pipe and engine shuddering. has it had it?
You say it overheated due to cold weather. Did the coolant freeze? If so,(you should have coolant freeze plugs pushed out ) then there is a good chance it overheated to the point of no return depending on how long you ran it.You say it overheated due to cold weather. Did the coolant freeze? If so,(you should have coolant freeze plugs pushed out ) then there is a good chance it overheated to the point of no return depending on how long you ran it.
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Where is the white smoke coming from? Under hood? Out tail pipe? If excessive white smoke from tail pipe, suspect a head gasket failure which in turn will fill the cooling system with exhaust pressure forcing the coolant to come out of the reservoir and resulting in an overheating problem
One of the main causes of white exhaust smoke and coolant loss is a cracked or warped cylinder head, a cracked engine block, or head gasket failure caused by overheating. A cracked head may allow coolant to leak into one or more cylinders or into the combustion chamber of the engine. Dirty coolant, a poorly maintained cooling system, a low coolant level, or a non-functioning cooling fan can cause engine overheating. In addition, engine wear can eventually cause the gaskets to lose their capacity to seal properly allowing internal coolant loss. Intake manifold gasket and head gasket failures are two of the most common sources of internal coolant loss caused by engine wear.
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if its happening during non cold weather then you may have a head gasket going bad and need replacement.you can have a combustion chamber test and a co test done on the cooling system to see if anything shows.be aware that may not show a problem depending on how early on the gasket is in deterioration.have you had to add coolant to the system or have recently noticed the level going down in the overflow bottle or rad.this is another way of showing a possible head gasket problem.white smoke indicates the burning of coolant.
White smoke out of the tail pipe especially on '''warm''' weather usually means antifreeze/coolant leaking in to the cilynders. you may have a blown head gasket(cheapest to replace) and or a crack/warped cilynder head or crack block(not cheap) if the smoke its happening in '''Cold''' weather it could simply be condensation which is normal.
To find out exactly ,in a v6 engine ,simply take out the 2 middle spark plug (1 of each side) and crank the engine. If you see white smoke come out of either one thats where your leak is and you would go from there.
Note:
Just crank the engine '''Do NOT''' let the engine run for long without sparkplugs or catalyc converter damage may occur.in a 4 cilynder engine take out any center spark plug and see where the leak is
Water vapor coming out of the exhaust at initial start-up is normal; that is condensation that collects when the engine is not running. White smoke at start-up depends on a couple of things. Tell me, where do you live? When the weather is very cold, all engines will emit steam (white smoke) when they are first running; this stops after the engine has been running a while and is warm.
In short, if this is only happening at first start of the morning and goes away over time, there is nothing wrong.
If, however, the "white smoke" continues and never stops, you may have a blown head gasket.
overheating, white smoke from tail pipe(ignore this one during cold weather), oil is light brown or milky looking which indicates water in the oil, and of course loosing coolant when there is no coolant leak
Is it gray, bluish gray, or white? White smoke, during warm weather, indicates that you have a head gasket out and it's vaporizing water, it will look much like it does when you first start it on a cold day. Bluish gray indicates burning oil, which could be bad valve seating, severe engine wear on your piston rings and oil is blowing past them into the combustion chamber. Grey smoke is probably water as well, though it could be contaminated with oil, or the vehicle could be running too rich, getting too much gasoline. But typically this is more of a black smoke than gray.
Its perfectly normal.Hot exhaust gases mixing with cold air and by products of the combustion process create the watery substance that you see spit out .Dual fuel (LPG,Hydrogen etc) vehicles do this a lot more noticably.By products of the combustion process are various but water vapour is one of them.Alot of heat is generated by the exhaust so watching a car driving in very cold conditions you can see this effect more clearly
You say it overheated due to cold weather. Did the coolant freeze? If so,(you should have coolant freeze plugs pushed out ) then there is a good chance it overheated to the point of no return depending on how long you ran it.
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