I rebuilt my first 4l60e and installed in a 1994 gmc k1500. It has a 2500 stall converter and using a ez tcu to control it. I have no 1st or 4th. Starts out in second and shifts to third like normal in d or od. Torque converter locks up too. Just no 1st or 4th. I've replaced both shift solenoids. Ez tcu will say it's in low1 when I move the shift lever to 1, but still starts in second. Ez tcu says it in 1st and will normally shift to second then 3rd on the screen, but never was 1st at all, same thing with 4th. Reverse works fine too. I'm interested to see if anyone has experienced this. One thing I'd like to note is I used a good amount of the green goo on the checkballs when installing the valve body. Not sure if there's a specific checkball that's controls both 1st and 4th... maybe to much there? Also has transgo hd2 I'm gonna clean up the valve body from old the old 4l60e and swap everything over with a new transgo kit and hope it works. Maybe it's the ez tcu, or something very simple, I don't want to swap the valve body as I paid for a supposedly working valve body online.
Thanks
Thanks
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