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John Deere Tractors Discussion Forum
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Re: John Deere B Engine Sludge

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Author  [Modern View]

03-17-2013 18:52:04

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Just remove oil pump and screen and flush it all out the bottom of crank case. These flushing ideas all put the crud around the oil pickup screen. If it is not stopped up it will be by just flushing and breaking all that crud loose.

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03-17-2013 21:05:56

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 Re: John Deere B Engine Sludge in reply to JDG, 03-17-2013 18:52:04  
Its an IDEA that the factory used. My grandad did it once a year and never had a problem with plugging up the pickup screen. Plus the sump of the crankcase sits lower than the pump and screen, all the sludge goes to the bottom. Dont mess around with the oil pump if your not familiar with the tractors, there are features built into the crankcase to deal with matters such as this.

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Brandon K.

03-17-2013 19:12:50

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 Re: John Deere B Engine Sludge in reply to JDG, 03-17-2013 18:52:04  

What is the method of removing the oil pump? How do I remove the pump, Im new to working on these. thanks for the help.

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Lee B

03-17-2013 22:55:54

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 Re: John Deere B Engine Sludge in reply to Brandon K., 03-17-2013 19:12:50  
There is round plate on the bottom of the tractor with four bolts in it, this one takes the oil pump apart proper. Wait to do that one after the pump is out. Six nuts around that plate hold the pump to the bottom of the crankcase, but you'll need to undo the crankcase cover on top in order to reach down inside and undo the oil lines connecting the oil pump to the engine.

Now it's time to use a putty knife from above and just scrape the crud out the oil pump hole without wasting a drop of diesel fuel or any other expensive fluids. THEN use a good parts brush with a little fluid and then NEVER flush it as stated since it's now spotless and flushing is no longer needed.

There will be a square tubing drive collar that will fall out when you remove the pump, it is sacrificial in that it is supposed to break apart if there is frozen water in the pump and you try to start it anyway. A friend's hand is nice to hold this part going back together but if you have an upside down bucket and a collection of blocks one guy can manage with some back and forth.

I&T make a decent service manual for a reasonable price if you can still find them - you'll need something along this line eventually if you are asking these kinds of questions.

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