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Message: <blockquote data-quote="phmteck" data-source="post: 37560" data-attributes="member: 2926">WOOHOO!i got it to move out of the garage..i had to get fittings to check line pressure, but while i'm waiting i went over the manual as to what could keep drives from working properly. Well i took the relief valves out of the hydro pumps to see if they were messed up in any way.. didn't see anything out of the ordinary, but low and behold the dang thing had both side drives after i put them back in.. now i ran unit for a little bit and the haydraulics seemed rather whiney and then i started to lose right side drive again..are the relief valves a common problem or should i assume the hydro pumps need rebuilt? i only removed the top valves the bottom ones seem like you have to have pumps off to get to.  ...oil was still foamy too.</blockquote>