I know this is an old thread but got to say, I did the TFOD Jr. Install on my 42RE from my 1995 Jeep Grand Cherokee Laredo 2wd following the photos and comments in this post, the 1-2 accumulator I replaced with an aluminum instead of plastic, but the low/reverse servo I haven't shimmed it because I am not clear as how to do it, I am also installing the TF-GOV-SOL kit suggested in the instructions of the TFOD Jr., since it says is for "Fix wrong Gear starts" any help on how and what to use for shimmed the low/reverse servo is appreciated and Merry Xmas
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