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Oil drain plugs

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Glenn(WV)

06-07-2002 11:19:29




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Want to change the oil in the 100, so I put a socket on the oil pan drain plug to loosen it ... no go. I noticed in the parts book that there's supposed to be a gasket between the oil plug head and the pan - no gasket is present, so I'm guessing the plug was overtightened to keep it from leaking(it wasn't me!). This thing does have right-hand threads on it, correct? I put a breaker bar on it, and it hasn't budged yet. Been soaking it with PB Blaster. Does anyone have any ideas? I can get some gasket material, so how thick should the gasket be?

I'm also having trouble removing the oil filter drain plug. It's slightly rounded off, and the 1/4 inch wrench won't grab it. I've tried a socket(won't fit) and Robogrips(they slip, too). I haven't tried a pair of vice-grips yet. It's also soaking with PB Blaster. I greatly appreciate any ideas here, too. I'm not crazy about drilling it out for obvious reasons ...

Thanks, guys!

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Hugh MacKay

06-07-2002 20:40:30




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 Re: oil drain plugs in reply to Glenn(WV), 06-07-2002 11:19:29  
Farmall and other IH tractors do not have just a plain plug in oil pan. It is a plug with a inch and 1/8 hex head and has a brass washer on it, designed to seal the drain hole. These do not need to be very tight as brass washer is your seal. Take it to finger tight and no more than 1/8 turn beyond that. A good rule for some heavy wrench hands would be to tighten with a pair of needle nose pliers.

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Glenn(WV): Gentlemen, thank you!

06-07-2002 20:26:18




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 Re: oil drain plugs in reply to Glenn(WV), 06-07-2002 11:19:29  
Plan to give it another try tomorrow. Thank you for your assistance!



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SAm in NS

06-07-2002 14:08:12




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 Re: oil drain plugs in reply to Glenn(WV), 06-07-2002 11:19:29  
I know it won't do your drain plug any good but if it's already rounded off then it may not do any harm to try a pipe wrench. I have found them quite handy to work on things that have been rounded off but rather destructive. Good luck. SAm in NS



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mel

06-07-2002 12:26:03




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 Re: oil drain plugs in reply to Glenn(WV), 06-07-2002 11:19:29  
If you ever get it out which you will eventually just be patient and don't do anything rash, try replacing the oil filter drain plug with a brass one. Thats what I did. And you might find in a good hardware store a pipe plug with a recessed hex. That gives you a good grip when taking it off. But don't put it on so tight to begin with. My $0.02.



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Glenn(WV)

06-07-2002 16:07:44




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 Re: Re: oil drain plugs in reply to mel, 06-07-2002 12:26:03  
Well, I didn't put it on tight, my uncle was the last one to change the oil in it ... he evidently wasn't paying attention to what he was doing.



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Tim Shaw

06-07-2002 11:40:09




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 Re: oil drain plugs in reply to Glenn(WV), 06-07-2002 11:19:29  
A lot of the gaskets I've seen on Farmall drain plugs are a thin copper washer.



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Haas

06-07-2002 11:23:30




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 Re: oil drain plugs in reply to Glenn(WV), 06-07-2002 11:19:29  
If the plug has a hex head on it, get a 6 point socket. The six point will grip a lot better than the normal 12 point.



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IH man

06-07-2002 14:06:59




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 Re: Re: oil drain plugs in reply to Haas, 06-07-2002 11:23:30  

I have a Farmall "M" that had a 3/4 pipe plug for an oil pan drain plug.
It was frozen, I guess rusted. I would not budge, rachet,breaker bar, cresent wrench, vise grips and all till I destroyed the plug.So I ground it off smooth and drilled it out in increments until I got it to receive a tap for a fine thread 1/2" bolt and tapped it and put a short 1/2" bolt and neopreme gasket to remedy the situation. The brass plug for the oil filter drain sounds lke a good plan after you get the old one out. Happy tractoring..... ..... .

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Greaseman

06-07-2002 15:49:56




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 Re: Re: Re: oil drain plugs in reply to IH man, 06-07-2002 14:06:59  
I had problems not unlike what you are having only on a Super C. I finally heated the plug with a torch and it came out hot and quick. I went to get a replacement from the dealer---$20.00 and three weeks of waiting. I happened to go to the quick oil change place, and found one for $5.00, matched perfectly with a recessed 1/2' (maybe 3/8")inset for a ratchet or breaker bar. Luck, and God Bless America.

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howard

06-07-2002 17:43:50




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 Re: Re: Re: Re: oil drain plugs in reply to Greaseman, 06-07-2002 15:49:56  
unless you are a purest i wouldn't worry about the filter plug. just mop the old oil out with a rag. the heat might work on the pan plug. yes they are right hand threads but remember you are working upside down.



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