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Case Tractors Discussion Forum
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Case 430 hydraulic / trans leak.

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JD

04-13-2004 08:28:13




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My Case 430 has (trans-hydraulic) fluid passing from hydraulic side to tranny side which has gotten to the point of needing repair. Can someone tell me if this a likely seal gone bad or worse and how big a fix is it? Any help appreciated.Thanks JD




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Brent Behner

04-13-2004 17:01:39




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 Re: Case 430 hydraulic / trans leak. in reply to JD, 04-13-2004 08:28:13  
JD Is Tractor Eagle Hitch Or D.O.M. Eather One Drain Transmission Oil & Remove P.T.O. Housing. Put Bar Between Draft Arms & Add 2-300 Lbs. Start Tractor & Raise Arms, Shutt Off Tractor & Look At Bottom Of Pistion Housing For Oil Leaking Down. Can Be Pistion Seals Bad. E Mail Back If You Need More Info. BRENT



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Jim M

04-13-2004 09:33:30




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 Re: Case 430 hydraulic / trans leak. in reply to JD, 04-13-2004 08:28:13  
It's either the seals between the housing that require you to split the tractor or the seals on the internal cylinder for the 3 pt lift.



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JD

04-13-2004 15:46:32




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 Re: Re: Case 430 hydraulic / trans leak. in reply to Jim M, 04-13-2004 09:33:30  
Any idea how ugly a job it is once the tractor's split? Thanks JD



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JRT

04-13-2004 20:43:47




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 Re: Re: Re: Case 430 hydraulic / trans leak. in reply to JD, 04-13-2004 15:46:32  
Hopefully the problem will be the hydraulic cylinder in the rear and not the seal between the transmissions. On my 430 the problem was both places. The seal on the hydraulic piston is a breeze, can be fixed in 1/2 day but the tranny seal is a big job. You have to remove shaft and gears, seals and the whole ugly mess. While I was in mine I replaced bearings and seals. It was worth it though. Now I have a nice quiet transmission with no leaks.

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