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Thank you for the advice, This was the first run since the flush, I checked the fluids warm, in 4th+neutral as the manual said. then after 20 mins light duty, then hourly to make sure it was not leaking anymore. Level was good all day. It went foward ok, and had some decent power, but not the regular "climb the tree" I'm used to from a 580 series. It did have a bit of stutter to it, kinda like it wanted to jump from decent to full power. Then with a presistant foot all the way on the accelerator while pushing some dirt, it jumped and made me proud. It spun the tires if the dirt wouldn't move. It remained really strong for say 45 mins with no stutters, then suddenly, but gradually (over 15 mins) lost all its guts. When you put in foward, it would give a little nudge, but as I r.p.m. up, it just gave up, less torque to the wheel. It actually still can creep along at idle on level ground, but cant even slide the bucket on the ground , but Reverse is OK. I wonder if I didn't toast the foward clutch-pack in the shuttle the first time the fluid got low. The old fluid seemed to have quite a bit of color/friction solids to it. Is the shuttle a PIA to rebuild (less the PIA to get it out of the tractor), do I need crazy tools and presses and gauges? Do I also R&R the torque conv., charge pump, etc.? Shotgun style, replace the whole thing ;-) ? Last words 1985 580 Super E 4x4 cab just acquired, I was going to be an operator, not a mechanic Please Advise -Pete
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