Some things it could be.....a worn control valve or relief valve on the pump. blown 'O'rings on the stack pipe or leaky piston rings on the ram or worst case scenario....a worn out pump. Start with the simplest things, drain the fluid down to level with the bottom hole on the side inspection plate, the one with the dipstick and response control. remove that plate and look upwards to the ram, you may need a mirror. try the tractor with warm oil and a load on the lift and see if it leaks fluid from the end of the ram. if yes, you need ram seals/rings. look also to see if the relief valve is not leaking fluid. Next remove the transfer plate on the front right of the lift cover held on with two bolts, pull out the stackpipe and fit new 'O'rings, they are cheap. If neither of these works you need to pull out your pump and try a new control valve or if the relief valve has got weak try one of these. If you have eliminated all of these then you either need to rebuild the pump or buy a new one. Sam
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Today's Featured Article - Restoration Story: 1964 JD 2010 Dsl - Part 2 - by Jim Nielsen. Despite having to disassemble the majority of my John Deere 2010's diesel engine, I was still hopeful I could leave the engine-complete with crankshaft and camshaft-in the tractor. This would make the whole engine rebuild job much easier-and much less expensive! I soon found however, that the #4 conrod bearing had disintegrated, taking with it chunks of the crankshaft journal. As a resul
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