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Tractor Talk Discussion Forum

Did some leak stoppage today

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Katharine

07-16-2007 17:05:47




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More like we just stemmed the tide a lil bit, but hey, every lil bit that's not running down the side of the tractor is a plus to me! Replaced the valve cover gasket, changed the oil and filter, Gunked it good to see if would leak again and put new terminals on the battery cables. It seems to only be weeping now down the side now from the head gasket a bit, after about an hour of running the mower on it (the rain came in).

Have a question though, the lil pipe sticking out of the bottom of the tractor, (between the two front wheels) seems to blow and awful LOT of the motor oil out of there, and that seems to be the only MAJOR place where I am loosing oil. What causes this and what is the temp. fix and or permanent fix?

Thanks! (and no, I haven't shot seller yet, still thinking about it though...) ;>

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37 chief

07-17-2007 08:04:39




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 Re: Did some leak stoppage today in reply to Katharine, 07-16-2007 17:05:47  
In a perfect world no tractor would leak, or burn oil. Most all working trctors will use oil, by leaking, or burning it. Unless you are going to use your tractor every day, just keep the oil level up, and use it. I have a tractor I use when I have a field full of rocks and can't use my mower. the tractor uses almost a quart of oil an hour. I just keep the level up. Next winter you can rebuild the motor, which it probably could needs. Stan

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Traditional Farmer

07-17-2007 04:38:00




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 Re: Did some leak stoppage today in reply to Katharine, 07-16-2007 17:05:47  
Your engine is shot run it until it quits or you get tired of sucking smoke just be sure to keep plenty of oil in it.Ford/NH used to sell complete ready to bolt in engines which may be the way to go.On a diesel engine that worn out
not only will all internal parts probably need to be replaced but all the injection system and a clutch will be most likely needed.And if you think tractor sellers are good at ripping folks off they are amateurs compared to some of the "mechanics" around.If I were in your shoes with little or no mechanical knowledge I"d sell it for salvage or someone looking for a fixerupper and take my loses.Then hire a tractor mechanic the next time I went to buy a tractor to run a compression test on the cooling system and cylinders.Then give it a though general inspection.It"d be the best $50 to $100 you could spend.A good mechanic would have looked at your present tractor about 30 seconds and told you to run not walk away for the money you paid

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paul

07-16-2007 21:09:23




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 Re: Did some leak stoppage today in reply to Katharine, 07-16-2007 17:05:47  
When it blows out a lot of smoke there, it is just worn out. Only real fix it to go in & rebuild some parts in the engine. Overhaul.

--->Paul



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MBU

07-16-2007 18:37:19




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 Re: Did some leak stoppage today in reply to Katharine, 07-16-2007 17:05:47  
A question for the experts...

Does Katharine's tractor have sleeves? If it does it might not cost her a lot to fix it over the winter. She'll still need some of the parts machined but the majority of the work could be done by her and her husband. What do all of you think?



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RodInNS

07-16-2007 19:21:11




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 Re: Did some leak stoppage today in reply to MBU, 07-16-2007 18:37:19  
NO, it's a parent bore engine. At most it could have dry sleeves if it's been sleeved in service.

I've got to admit that I'm surprised at the suggestions that have been given here to fix this leak and change that gasket...

It's worn out. Plain, plum, simple, worn out. Those engines don't burn an eyedropper of oil in 300 hours when they're tight. Fixing gaskets is only moving the leaks to the next weakest gasket because the blow-by is going to push the oil out somewhere... The valve cover is tight now, so it's going to push more out on the head gasket, or better yet, the rear seal since they're not the tightest at the best of times. They you wet a clutch that might otherwise be fine....

In my very humble opinion, and if it was mine, I'd leave the valve cover alone, the head bolts alone, and everything else alone on it until I was ready to open it up and rebuild it. It'll burn oil.... and so long as it starts and isn't knocking and banging, it'll keep running for some time yet.
There's a time to fix simple things, and there's a time to cut and run....
This one is headed for a major overhaul, so ya might as well get ready for that rather than pis$ money into the wind buying gaskets. Anyhow, that's how I see it.

I'd start by investing in a good set of Ford service manuals if one intended to do the work themselves.


Rod

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Farmall MD

07-17-2007 01:07:45




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 Re: Did some leak stoppage today in reply to RodInNS, 07-16-2007 19:21:11  
BINGO!!!!!. Been watching this post from the start and just shaking my head about it the whole time.

Do ya think everybody would have been so nice if it was posted by a guy? Highly doubtful. If this was a guys post, he would have been torn up and down about not bein so cheap and to rebuild it. Doug N



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dds-inc

07-16-2007 19:35:41




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 Re: Did some leak stoppage today in reply to RodInNS, 07-16-2007 19:21:11  
Totally 100% agree. At last, someone with common sense around here and no cheap farmer fix its.



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georgeky

07-16-2007 20:29:17




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 Re: Did some leak stoppage today in reply to dds-inc, 07-16-2007 19:35:41  
That is what I thought about it as well. The first time a picture was posted with all that smoke blowing out of it, you could plainly see it needed a major done on it.



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georgeky

07-16-2007 19:14:15




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 Re: Did some leak stoppage today in reply to MBU, 07-16-2007 18:37:19  
Don't think so. I have worked on but 4 or 5 Fords and none of them had sleeves.



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ErnieDD

07-16-2007 18:03:48




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 Re: Did some leak stoppage today in reply to Katharine, 07-16-2007 17:05:47  
Ok, the cover gasket is fixed. What do you have attached to the oil add cap? There should be a mist seperator there...it extends down in the oil add port to seperate the oil mist before the blowby draft tube exit.

Could you possibly be overfilling the crankcase? Do you have the correct dipstick? The wrong length replacement dipstick could have you overfilling the crankcase and creating foamed oil. When you did the oil change and added the specified oil, was it at the full mark or low?

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Rob In FL

07-16-2007 18:00:40




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 Re: Did some leak stoppage today in reply to Katharine, 07-16-2007 17:05:47  
This is Katharine's hubby, and being more of a novice at the mechanical side of things I didn't even think to tighten the head bolts while I had the valve cover off...

Tell the truth didn't even realize it was possible or could be that simple!

Though since the gasket is only $8 and all it takes is a little time and having a change of oil handy (which we had already planned as we're still trying to work some of the crud out of there from the crap the previous owner had been using) then I might just look at trying that this coming weekend...

As far as the tractor goes the transmission is sound, the PTO is good, the hydraulics in the 3-point hitch are in excellent condition, and the power steering works fine other than a relatively minor leak near the steering column which isn't outputting a significant amount of fluid so hasn't been deemed 'urgent'...

If the engine needs an overhaul then so be it, but I think it might have to wait a little longer before we can muster enough to do that...

We did change the engine oil, but have not gotten to the transmission oil and filter yet, where is the filter and drain for the transmission on a '68 Ford 3400? Anyone?

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KEHh

07-16-2007 18:35:25




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 Re: Did some leak stoppage today in reply to Rob In FL, 07-16-2007 18:00:40  

Can't help on the transmission drain and filter. On head bolts, they are supposed to be torqued to a specific number of foot pounds when the head is installed and in a certain sequence. you will have to do some research to find that info, a ford dealership should tell you or maybe someone on here has that info. I don't think its that critical since you don't have the head off, just don't get wrench happy and over tighten it and wring a bolt off. If it continues leaking at the head and you are sure it is at the head gasket, then the head gasket probably will blow soon and the rebuild job becomes immediate.

What you should do is listen to the sound of the engine. A diesel does a certain amount of rattling, but you don't want to run it if the engine develops a knock indicating that a rod may be ready to go through the block. Since you ran it pulling the bush hog and nothing happened, I doubt it this is going to happen, but don't let it run low on oil. Like the other post said, be sure you put the right amount of oil in the engine. Good luck.

KEH

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KEH

07-16-2007 17:35:40




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 Re: Did some leak stoppage today in reply to Katharine, 07-16-2007 17:05:47  

If it is leaking from the head gasket, take the valve cover off and tighten the head bolts. Is it leaking water or oil there?

If there are no transmission problems, no pto problems, and no power steering problems you are in pretty good shape. From reading your posts, it seems what the tractor needs is an engine overhaul. Sure, it will be expensive, but you got the tractor cheap and if it is rebuilt you will have a solid tractor. I wouldn't be in too big a hurry, wait and check the tractor out throughly. Uh, you did change the oil, didn't you? BTW, you should also change the transmission oil and filter. Pardon me if you did that and I missed it. Good luck.

KEH

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Jerry/MT

07-16-2007 17:30:18




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 Re: Did some leak stoppage today in reply to Katharine, 07-16-2007 17:05:47  
That pipe is the crankcase vent tube and in your car, that would be hooked up to the PCV valve and would be run back through the cylinders.

The "stuff" coming out of there is what is called "blow by gas" and it's the gas that gets by the piston rings,and other stuff evaporating from the crankcase oil. If it's coming out in a large volume, it's usually indicative of the need for piston ring/sleeves. Diesels use oil spray under the piston crown to cool it so when the blow by is excessive, oil droplets from that spray and off the cylinder walls and splash from the crankshaft(The crankcase is a pretty dynamic place on the engine!) get expelled with the gasses.
There is no quick fix. It's usually rings and sleeves. You might try a heavier weight oil but if it works, it's only temporary.

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SDE

07-16-2007 17:14:51




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 Re: Did some leak stoppage today in reply to Katharine, 07-16-2007 17:05:47  
From what I have read on this forum, If you have an engine that is getting "loose", pressure gets past the rings and is vented out the crankcase breather. Some venting is normal. I think diesels do that quite a bit more than gas. SDE



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Chris in MD

07-16-2007 17:50:15




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 Re: Did some leak stoppage today in reply to SDE, 07-16-2007 17:14:51  
SDE- you are quite correct about diesel venting out more smoke and oil than gasoline tractors.

To be more specific, diesels pump out more blow-by and other residue when they are worn simply because of their higher compression ratios.



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