I need help! I have white smoke coming out the exhaust of my JD 50. What would cause this? At first I thought white smoke means anti-freeze. But I have watched my anti-freeze levels and they have not moved after working the tractor. Also, got the tractor up to temperature and checked to see if there was any bubbles in the radiator. There was not!! Funny thing about this tractor is when you move the distributor clockwise from TDC it don't smoke as much still some white smoke but not like if the distributor is at TDC. About to pull my hair out. Thanks for all your input.
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- Thread starter Mandy74
- Start date
David from Kansas
Well-known Member
Does it still smoke white after getting good and warm?
My experience has been that white smoke = moisture in one form or another. Sometimes it can just be condensation in the engine and exhaust system but will usually clear up as the engine and components warm up to dry out the moisture. If it is consistent, it might be a serious problem.
My experience has been that white smoke = moisture in one form or another. Sometimes it can just be condensation in the engine and exhaust system but will usually clear up as the engine and components warm up to dry out the moisture. If it is consistent, it might be a serious problem.
buickanddeere
Well-known Member
Are the carb idle and main screws leaned back to as lean as possible without stumbling, stalling or losing power ?
How hot is operating temp? 160,180 or 195F
How hot is operating temp? 160,180 or 195F
buickanddeere
Well-known Member
Coil and battery polarity ?
buickanddeere
Well-known Member
140F Is no where near being warmed up.
195F or forget about it.
195F or forget about it.
buickanddeere
Well-known Member
Battery - is to chassis and coil - is to the points ?
Bob Harvey
Well-known Member
Start it up then put some newspaper over the grill. The fan will keep it in place. Then let it warm up to 180 +. HTH
Cliff Nelson
Well-known Member
Have you tried fresh clean fuel? I have seen someone put diesel in gas and gas in diesel by accident. Diesel in gas will smoke if in the right amount.
Robert Major
Well-known Member
Hi Just what might seem a stupid question here.
How long have you run this tractor since washing the air filter out.
Did it start doing this right after?
I have heard of guys cleaning Air filters on Fordson Major, Diesels, then this funny stuff happens.
It might be drawing the cleaning agent from the inside of the air cleaner, then burning that in combustion giving the white smoke.
when those filters are cleaned it's hard to get all the fluid out.
Might not be the problem but worth asking the question.
Regards Robert
How long have you run this tractor since washing the air filter out.
Did it start doing this right after?
I have heard of guys cleaning Air filters on Fordson Major, Diesels, then this funny stuff happens.
It might be drawing the cleaning agent from the inside of the air cleaner, then burning that in combustion giving the white smoke.
when those filters are cleaned it's hard to get all the fluid out.
Might not be the problem but worth asking the question.
Regards Robert
RandyB(MI)
Well-known Member
Well mine is a late B and not a 50 but I have never ever seen white smoke out of it at any time whether warmed up or not so I don't think that is your problem. Also if set properly have never seen 1/2 turn work on idle screw. When warmed up set throttle lever wide open and with load screw closed open idle mixture up until it stumbles slightly and then back in 1/2 turn. Maybe he meant to start out at 1/2 turn to get it started to get warmed up. Back to the white smoke...these things have a crankcase ventilation pump which evacuates blowby out of crankcase into air inlet to carb. Is there somewhere it maybe getting rain or leakeage into crankcase. White smoke in gas engine is moisture. RB
buickanddeere
Well-known Member
- or + of the coil to the ignition switch?
buickanddeere
Well-known Member
If It it has stuck shutters or a missing/stuck thermostat.the engine could idle for two days and not warm up.
RandyB(MI)
Well-known Member
Sorry about the carb adj advice, forgot yours probably has duplex. RB
Anonymous-0
Well-known Member
Puff of white smoke, sounds like it's burning oil. Especially if you're not getting it up to workng temp...
Lee B
Member
White smoke is water, blue smoke is oil. Is your oil milky or cloudy at all? 140 isn't enough to clear condensation from your crankcase, get it hotter somehow. When I work my 44 A the temp gauge goes to 220, if yours is a thermo-siphon system like mine you should also have less than perfect heat extraction due to the anti-freeze mix not being as good as pure water at that job and have the same resulting temperature. Unless you are not putting it under a load and really using it. Pull your gauge and sender and boil the sender on the kitchen stove and see what it says is the boiling point of water. If it really is off by 70 degrees then you've just verified that fact. And it then becomes useful to you as is.
Easy solution is to just change your oil more often on a cold blooded one or parade putter if the water is coming from the engine oil. If you have thermostats you should pull them and test them in boiling water too. Obviously, if they don't shut fully there is your problem with the low heat issue. As B&D suggested get 195 degree ones and do your engine a real big favor.
Easy solution is to just change your oil more often on a cold blooded one or parade putter if the water is coming from the engine oil. If you have thermostats you should pull them and test them in boiling water too. Obviously, if they don't shut fully there is your problem with the low heat issue. As B&D suggested get 195 degree ones and do your engine a real big favor.
rick deere
Well-known Member
water
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