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4440 hyd problems...
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msb
Posted 5/17/2009 13:02 (#716371 - in reply to #716361)
Subject: Re: 4440 hyd problems...


Lapel, In
Do you still have good steering when the 3 point won't lift ? If not then it is probably the stroke control valve in the pump. Otherwise it sounds like it could be a bad internal leak in that SCV. Does the hydraulic oil get hot ? With the engine running , place a long screwdriver to the SCV and put your ear to the handle of the screwdriver. If you hear rushing oil or if the SCV heats up quickly, that is your problem. Am guessing it is the stroke control valve.
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