Leaky Hydraulic Valve

Pete7 · Nov 20, 2010

I have a internal leak on the hydraulic control valve for a Farmall 340. From looking at the archives it seems like there isn't much that can be done to fix this type of leak and that replacing the o-rings is only going to fix an external leak.
Is that right and so my best option is to look for a good used valve? Or does somebody rebuild these hydraulic valves.
Pete
Untitled URL Link

Janicholson · Nov 21, 2010

We need to know which valve, and if it is stock or after market. The link didn't work for me. Most Hydraulic valves are extreme tolerance fit of fine finished bores and spools. If it is disassembled and visible wear is found it is not going to be repairable. Jim

Leaky Hydraulic Valve

Pete7

Member

Janicholson

Well-known Member

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