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Discussion Forum
Show Parts for Model:

49 TO20 leaking oil at

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oakleyc2

01-18-2012 06:52:10
64.183.165.178



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The exhaust manifold on #4 cylinder. The Tractor is new to me and I don't really know its history. It seemed to run fine before other than some dirty carb issues from it sitting. Any ideas on what would cause this? Collapsed ring? Stuck valve? or just blow by?

Thanks in advance




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Oakleyc2

01-20-2012 05:22:00
64.183.165.178



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 Re: 49 TO20 leaking oil at in reply to oakleyc2, 01-18-2012 06:52:10  
I picked up some GM upper engine cleaner and put 3oz in the #4 cylinder. I left the cleaner in there for about an hour then added a non-foul adapter and new plug. Started it up and she runs great now. It was unreal how much smoke it created at first. That cleaner is some amazing stuff you could eat out of that cylinder now. I drove it around last night for about a half hour and seems to be running great. Thanks for all the replies. By the way the GM part number for the cleaner is #88861802

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2tractors

01-18-2012 18:18:27
207.144.5.133



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 Re: 49 TO20 leaking oil at in reply to oakleyc2, 01-18-2012 06:52:10  
If you need to use it now then buy a plug extender so as not to foul the #4. It keeps the electrode away.



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gary michales

01-18-2012 11:31:44
67.249.122.232



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 Re: 49 TO20 leaking oil at in reply to oakleyc2, 01-18-2012 06:52:10  
First I would say, bad intake and exhaust manifold to head gasket. Cause of oil leaking, I would guess bad valve seal or worn oil ring in cylinder.



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Jerry/MT

01-18-2012 09:10:23
206.183.116.145



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 Re: 49 TO20 leaking oil at in reply to oakleyc2, 01-18-2012 06:52:10  
Maybe #4 cylinder lost oil control on the rigs. What"s the #4 spark plug look like? If it"s black and oily then that"s the problem. Sometimes a few ounces of ATF over night in the cylinder for a few days can help the problem. if not, Run a dry and wet compression check and if #4 is low you might wat to re-ring it. And while you"re there, you may as well do the other cylinders. if you oil pressure is low (<15psi at 400 rpm lo idle at operating temperature0 you may wat to check the mains and replace them and rebuild the oil pump. The other option is to live with it.

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