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moisture coming out of exhaust on startup

P

PretendFarmer

Well-known Member
1941 Farmall A
When I started it up yesterday, it ran fine but I saw moisture coming out of the exhaust. The tractor is parked in the barn all the time. It was a good amount of moisture too.
I recently replaced the head gasket. Should I retorque the head?
 
Well, first question,does engine have anti-freeze/coolant in it?? Next question,is it WATER or anti/freeze coolant coming out of the exaust,third question,does at some point it clear up???


Lastly,AFTER all other stuff prooves out,If you recently did do a head gasket,I would go back and re torq it reguardless if nothing else was wrong.
 
is it only on the start up that it was coming out??
If it continued after the engine is warmed it should
burn as white smoke in the exaust. Did you check
your water level?? If its low that might also tell
you something.
 
The engine has an Antifreeze and water 50/50 mix in it.
It appears to only be for the first few minutes on startup. After that there is no moisture coming out. I cannot tell if it is just water, or if its the engine coolant.
I will retorque the head prior to the next startup as a precaution.
 
Probably just a normal amount of condensation. Unless you foul a plug or have moisture running down the exhaust pipe, I wouldn't worry about it.
 
If it IS leaking anti freeze in to the combustion chambers it will have a "sweet" smell at the exaust,the liquid will also have a sweet taste on your tounge(Although I am not recommending doing so!!! :)


If it IS clearing up after running,I doubt anything is wrong other than condensation.

Like others said,check all your spark plugs after running it and leaving it set all night.THAT will tell you a story.Watch for coolant loss at the radiator as well.

I would STILL re torq gasket even if it all checks out ok just because it is a good idea.
 
The retorque will not hurt anything. I would expect it is condensation. If it clears up after running a while, and the coolant does not go down, do not worry about it.
 
All that is is condensation due to the heating and cooling of the engine because this time of year it get down below 32 then back up to 50 or so. If you where to stand behind your car or truck when you start it you would see steam and or water coming out of the pipe on them also. Just a fact of life and how things work and always have worked
 
I appreciate the feedback from everyone. This is was pretty much what I was thinking but its always nice to get the thoughts from someone else.
 
have you retorqued the head bolts after replacing the gasket?

You should alwasy re-torque them after running it for a while - with or without your water issue.
 

Water is formed during the combustion of gasoline, propane etc.. During start up the water condenses out on the cool exhaust system piping. I can't say what your problem may be however, condensed water is normal in an exhaust system until everything heats up. Once it is hot the water passes with the exhaust gases as invisible steam.

As an example; I have a high efficiency propane furnace which condenses the water formed during combustion. Before I plumbed the furnace drain to the basement sump it would fill a bucket with water each day.
 
If it's coolant, I don't think re-torquing the head is going to help at this point. I'd expect the head and block deck to be warped, and in need of planing.

However, I agree with everyone else. It's condensation, and you're letting your imagination run away with you.
 
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