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  1. Torque converter issues rough shifts 4r100

    99 & up 7.3L Power Stroke Engine & Drivetrain
    Hello all. Hopefully this is not too lengthy of a post but I would rather give you more information than not enough. To start my truck is a 2000 F250 7.3L PSD CCSB with 3.73 gears. I've got 235K miles on it. I have been having issues with slippy/hard shifts ever since I had my transmission...
  2. 4R100 Reaching 250+ what to do?

    99 & up 7.3L Power Stroke Engine & Drivetrain
    I have a 2000 7.3 with the 4r100. It was rebuilt a year ago and I just serviced the transmission 300 miles ago. Last trip made was pulling a fifth wheel over the mountain and my tranmission temperature gauge maxed out at over 250 and stayed there for about 10 minutes then it took about 15 more...