Hydraulic problem on 1969 case ck, was running great till I heard what seemed to be a clack sound in the control valve for the bucket? tilt, and also no hydraulic to the backhoe controls. not knowing much about hydraulics I brought the control valve to a case dealer to have it rebuilt. $1700 later installed back on and still have same problem, when motor running ,control valve is making a hissing sound like something is restricting hydraulic fluid from passing in the valve,when I do pull on lever i can hear the pressure relieve and bucket lifts as normal, let it go again and i can hear pump and motor work to try to get fluid though valve,at least that is were sound is coming from,and still no hydraulics to backhoe controls. question is , even after rebuilt valve could it still be the problem,
Thanks
Thanks