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Massey Harris & Massey Ferguson Tractors Discussion Forum
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MF1135 hyd leak in front of pump

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chuckinnc

02-23-2007 07:40:45




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This is a long shot but here goes, my mf1135 just started a bad hyd leak after 28yrs of no leaks. It has a front end loader & difficult to
get to, it seems to be in front of the pump on the left side near the radiator, has anyone had a
similar leak? I think all 100+ hp tractors used this same hyd
system, anyway my mf1105 has the same system.




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barnrat

02-23-2007 08:13:54




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 Re: MF1135 hyd leak in front of pump in reply to chuckinnc, 02-23-2007 07:40:45  
Could be the hydraulic oil cooler, that tends to crack after a number of years. That would cause your radiator to plug up with oil in the fins. There are any number of lines and fittings that go to the cooler, steering cylinder, filter. These could be eliminated by just removing the front grill and taking a look. The fan can cause all kinds of confusion. I had a customer with an 1105 complaining of an engine oil leak. Turned out the hydraulic pump had a leak and the fan was blowing the oil onto the engine.

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chuckinnc

02-23-2007 12:56:36




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 Re: MF1135 hyd leak in front of pump in reply to barnrat, 02-23-2007 08:13:54  
Thanks but i removed the fromt grill and cant see any leak. It seems to be between the back of
the radiator and front of the pump near the base
on the left side area, with the loader frame it makes it very hard to see. looking at the mf1105 without the loader i cant see much in this area. No one around here works on anything larger than
50hp size tractors so its going to be my problem to fix.

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barnrat

02-24-2007 14:13:42




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 Re: MF1135 hyd leak in front of pump in reply to chuckinnc, 02-23-2007 12:56:36  
Unless it's your engine oil cooler(built into radiator) leaking. It could be your charge pump line that feeds into the main pump on the top left side. There are 2 connections there. One has an o-ring that may have gone bad or something my have loosened up. I have an 1100 with a loader and it's hard to see whats going on in there let alone try to work on anything in there.



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