sssfarm

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my 4386 has started to take off any direction when going down the road. I have replace the steering valve but did no good . Has any body else had this problem.And if so what did you do to solve this .
 
There is either air in the control system, or loose parts in the articulation system. I would put a video camera in a position to look at the joint, then drive it. Real answers are very important this is a serious hazard. Jim
 
Its your steering cylnders. We had our 900 versatile do the same thing. Took the cylnders apart and the seals and orings were crumbling apart. Steering was erratic. I don't know if the 4386 used one or two cylnders, but the versatiles ran two, so we just ran on the good one to get it home and plugged the lines going to the cylnder that was leaking inside.
 

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