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AmateurHobbyFarmer

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  1. Well guys.. finally got around to actually addressing this today. I went and replaced the transmission filter again and it did the trick. Got all my pressures back, no more noise and steering is good. I did replace the fluids and filter shortly before the TA job. But it appears that there was enough gunk to clog the filter and the filter bypass valve screen was pretty clogged with fine particles. I'm kind of wondering if some of the crap came from when I worked on the range cover - I had to scrape the old gasket off. I used a rags to prevent the old gasket material from falling down below, but maybe it didn't catch it all. Not sure. I did re-filter all of my used transmission oil before putting it back in the tractor, too. But it's good now! I appreciate all your help!
  2. Figured I'd post the numbers on here too see if this helps identify anything before I begin tearing into it. These were the results I got tonight. I uploaded a pic of what I found in the service manual - its the closest scenario I could find compared to what my pressures are reading. I think they reference lower TA/DD pressures since factory pressures were much lower than what the Hy-Capacity TAs need. (I had to add an inner spring to the pressure regulator to bump the pressure up) Wheels straight, no brakes - TA psi - cold 170 / warm 300 Middle psi - cold 170 / warm 280 DD psi - cold 170 / warm 280 Lube psi in all TA lever positions - cold 0 / warm 1-2 Wheels at stops, no brakes - TA psi - cold 120 / warm 300 Middle psi - cold 120 / warm 280 DD psi - cold 120 / warm 280 Lube psi - cold 0 / warm 0 Brakes pressed, wheels straight - TA psi - cold 300 / warm 305 Middle psi - cold 280 / warm 280 DD psi - cold 280 / warm 280 Lube psi - cold 0 / warm 18-20
  3. Thanks guys. Oil level and filter are good. I put a new pump in when I replaced the TA. I think I'll check the oring on the upper end of the steering safety relief valve first before I start digging into the mcv.
  4. I recently installed a new TA and the pressures were 300psi for the TA pressures and 20 lube psi. I have about an hour of use on the new TA. Hopped on the tractor today and my power steering started to get really noisy and harder to steer. Seems like the noise is mainly coming from the steering column area and the MCV seems to be making a little noise too. Checked TA pressures and those checked out good at 300psi. Checked lube pressure and I barely have anything. I get maybe 1-2PSI with wheels straight and I completely lose pressure when the steering is maxed. I get around 18 or so when I hit the brakes. Any ideas on what might be wrong? Only thing I can think of is that my sump check valve is bad?
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