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  1. H

    John Deere 644G Parking Brake Comes On when The Transmission oil warms up after use for about 30mins to 60mins

    no, the only thing I disconnected was the 2-wire electrical plug for the parking brake solenoid.
  2. H

    John Deere 644G Parking Brake Comes On when The Transmission oil warms up after use for about 30mins to 60mins

    Hi, I swapped the solenoids and the loader worked longer and the transmission temp went to 1/2 way, more than ever before. unfortunately, the parking brake still came on. After this, I just unplugged the parking brake solenoid and the machine worked for almost 2 hours nonstop with the temp...
  3. H

    John Deere 644G Parking Brake Comes On when The Transmission oil warms up after use for about 30mins to 60mins

    thanks, I'll try this later and give update
  4. H

    John Deere 644G Parking Brake Comes On when The Transmission oil warms up after use for about 30mins to 60mins

    Hi, hopefully, someone else had a similar experience and can give me some guidance. I have a 1993 644G loader with about 9300hrs, The Unit works fine under light load for a longer period. Once the unit starts working and the transmission oil indicator gets to about 1/2 or a little above the warm...
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