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John Deere 4755 transmission lube pressure 0 in all forward gears
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Jer4755
Posted 5/3/2022 22:23 (#9645347)
Subject: John Deere 4755 transmission lube pressure 0 in all forward gears


I just replace all discs in b1b2b3b4c3 packs along with resealing all pistons. C1c2 was the reason of failure they were completely gone and there wasn’t much to salvage so I ordered reman. Ran the tractor for the spring work transmission filter plugged once now it is over heating in about 1.5hr 190degrees oil is still black I have flushed it twice. Started to check pressures the reverse gears are checking out good as soon as I go into forward gears my lube pressure drops to 0 and system pressure drops 10 psi in following the it book not John Deere any help would be appreciated. I have removed shift controller and found the transmission override engagement pin in the elbow sticky I had to work with it to remove. Other than that just dirty from first failure I hope any how
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