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  1. 99-03 7.3 Transmission Problems
    Hello, I have a 4R100 HD that was put in my truck at about 84K miles, when the factory 4R100 failed, I now have over 260K on the 4R100HD. I run a 6.0 cooler, Amsoil fluid and have added a external spin on filter. I was looking to see if anyone has experience with life expectancy of the HD...
  2. 99-03 7.3 Transmission Problems
    Hello all. I have a 2001 7.3 with a 4R100 HD reman that was installed at 84,721 miles. I now have 253,850 on the truck which is 169,129 on the trans. A new factory cooler was installed when trans was (done by Ford Dealer). I added a 6.0 cooler at 217,563 which puts 36,287 on the cooler. I...
  3. 99-03 7.3 Transmission Problems
    Hello all! I have a 2001 F 250 SD 4WD CC 7.3. It had a trans replaced at 84,721 miles about 4 years after purchase by previous owner (which is a friend) The truck was dealer serviced regularly while he had it. I am trying to find out if the transmision installed is a standard or HD 4R100. It...
1-3 of 3 Results