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Minneapolis Moline Tractors Discussion Forum
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445, what would you do?

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ted regentin

04-06-2008 06:49:15




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I have a 445 that I inherited from my brother. It sat for twenty plus years. I need to do some engine work and I am looking for some advise as to how far to go. It leaks oil from the valve cover area badly. It misses on one cylander until it warms up. I don't use it a lot, I am sure it will never get hard use again. I have a blade for snow in the winter, usually plow three or four times. I have a three point disc for the garden. I have replaced the radiator, water pump, and put on a delco one wire alt. Clutch and t/a work good. Oil pressure is good. Hydraulics and three point work good. I am going to keep the tractor, hopefully one of my kids will want it someday. My question to the experienced Moline people out there: how far into the engine do you think I should go? Money and time are issues for me, but what ever I do I want to do it right. I have a good shop where it can sit apart as long as necessary. Thanks for the advise,
Ted

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fredmich

04-08-2008 05:42:17




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 Re: 445, what would you do? in reply to ted regentin, 04-06-2008 06:49:15  
Sounds just like me years ago when I got a Jetstar that had been sitting for a long time. Towed it home and had to completely clean the varnish and gunk from the fuel system and do points, plugs and condensor and low and behold she fired right up and didn't smoke and carried good oil pressure. Everything worked except the tach! Then the water pump and the radiator needed replacing. When I adjusted the valves I noticed not all the rocker arms was getting oil and upon further inspection I had to take them off and drive the center bushing out to clean the oil passages as the oil hadn't been changed too often. Now she runs like a top and is a solid tractor. As far as your sticky valve get some Marvel Mystery Oil and put it in your gas, it really works! Sorry for the long post and good luck.....Fred

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MMDEL

04-07-2008 07:33:54




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 Re: 445, what would you do? in reply to ted regentin, 04-06-2008 06:49:15  
Your leak may not be the valve cover[although you should check it], It could be comming from the oil tube that goes up the middle between the two blocks to oil the rocker arms. They are famous for leaking where it goes through the adapter plate. There is a square thick o-ring style seal on top just under the copper pipe oil nut. There is supposed to be a cup shaped retainer on top of the seal to keep is from skwishing out don't lose the retainer, they are not available anymore. A generous amount of silicone in this area helps.
MMDEL

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Ill John

04-06-2008 18:34:25




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 Re: 445, what would you do? in reply to ted regentin, 04-06-2008 06:49:15  
I agree with Alan



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Alan K

04-06-2008 09:51:54




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 Re: 445, what would you do? in reply to ted regentin, 04-06-2008 06:49:15  
The miss may be a sticky valve. Since the valve covers leak anyway and would need replacing you could take them off an check to see which valve is sticking. They make solvents to losen them up, that would be worth a try. You could do a compression test on the cylinders also. If you do a "dry" test first and then do one with some oil, not alot, about 4 to 6 sqirts from an oil can should do it, squirted into the cylinders and see how much of a difference on each cylinder. The oil seals up the piston rings. If there is a noted jump in the compression you may have a weak cylinder. I would bet more than likely it is just a sticky valve from the sounds of it though. Sounds like the rest of it is in decent shape. I hope your kids are interested in it someday.

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