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Tractor Talk Discussion Forum

Sludgy Oil

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Patchfarmer

11-04-2006 11:15:54




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I was helping a friend retrieve an old farmall h that had been in a shed for about 30 years. We were getting ready to try and start it up and when checking the oil it was thickish grey. Decided to change the oil and draining it, a thick grey blob of sludge slowly came oozing out. What do you guys think it is, water.




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Allan In NE

11-05-2006 00:45:32




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 Re: Sludgy Oil in reply to Patchfarmer, 11-04-2006 11:15:54  
That grey crap is nothing but old-fashioned mud accumulated from all those years of running non-detergent oil.

Yep, yankin' the pan is the only way to clean it out.

Allan



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IBorange in TX

11-04-2006 17:57:25




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 Re: Sludgy Oil in reply to Patchfarmer, 11-04-2006 11:15:54  
Gray sludge means oil and antifreeze has mixed and it comes out like gray clabbered milk. Flush the pan with diesel and let drain. Fill w/cheap oil and run for several hours, then like previous statement, open the drain plug just a little. If there is water/antifreeze it will drip out first. Again flush the pan and fill with good oil and run for several hours again. Loosen the drain plug and watch for water. If it drips water, then you will have to check for water leak in the oil.
Good luck.....

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Patchfarmer

11-04-2006 17:39:58




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 Re: Sludgy Oil in reply to Patchfarmer, 11-04-2006 11:15:54  
Pulled off the oil pan and scraped out the gunk. Cleaned the pan with kerosene, sprayed the crank and rods with kerosene and a parts washer brush. Pulled the plugs, put a little marvel mystery oil in the cylinders, cleaned the points and reset, cleaned and blew out the carb., and put in some new gas. Put water in the radiator with red dye, put the oil pan, added oil. Pulled the fitting that the oil pressure line hooks into and back pressured oil into the system. Hooked up the line, pulled short distance with clutch pedal released to make sure the engine would blow out the cylinders, put plugs in and started the tractor up. Ran good and smoked about 5 minutes until it cleared out, ran the tractor about a hour and no loss of water. Will change oil and filter tomorrow.

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HENRY E NC

11-04-2006 14:38:18




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 Re: Sludgy Oil in reply to Patchfarmer, 11-04-2006 11:15:54  
When I got my 51 M last year it had been run for an hour or so during retrieval. Started up good no smoke etc. Got it home amd decided to check the oil and lo and behold big grey goobers , funny looking junk etc came out. Same in the filter. Drained it good, poured some alchol through it to absorb water, used a gal of mineral spirits to clean out pan and oil , appled new filter and oil ran five hours and changed it again. That was a year ago and now have over 50 hours this summer . All is ok.

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old

11-04-2006 13:52:58




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 Re: Sludgy Oil in reply to Patchfarmer, 11-04-2006 11:15:54  
Leave the drain plug out a few day. Also fill the cylinders with tranny fluid. Then is a couple days fill up the pan with tranny fluid and with the plugs out turn the engine over for a little bit. Drain the pan again and fill with the normal oil. Doing that will help unstick the rings and also clean out the sludge

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doogdoog

11-04-2006 12:25:06




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 Re: Sludgy Oil in reply to Patchfarmer, 11-04-2006 11:15:54  
Aloha, If it is that bad, I would drop the pan if it wasn't too much of a humbug. All that stuff is going to recirculate in your engine and won't help any.

Mahalo,
doogdoog



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Bob

11-04-2006 11:26:48




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 Re: Sludgy Oil in reply to Patchfarmer, 11-04-2006 11:15:54  
The mess that was in there after 30 years isn't as relevant as what you find after another oil change or two.

I would put in fresh oil and a filter, run it for a little while, to warm it up, then change it again.

THEN see what happens to that oil.

After the engine sits at least overnight without being run, loosen the oil drain plug a bit. If it is getting water in the basement, the water will have settled to the bottom, and drip out first.

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BigMarv1085

11-04-2006 11:18:31




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 Re: Sludgy Oil in reply to Patchfarmer, 11-04-2006 11:15:54  
It could be water that had mixed in the oil, parraffin wax (quaker state) or possibly some lead with a combination of the other 2.



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