Another 4l80e problem thread!
12-28-2014, 08:11 PM
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Another 4l80e problem thread! OK, I did a swap in my Studebaker and am having issues. I first started it up and had nothing but forward gears. I pulled the pan and found the manual valve wasn't engaged on the selector pin. I fixed that issue, refilled with fluid, and now I have nothing! No gears, nothing...what the hell?? I'll check the line pressure tomorrow, but I can't figure out why I had forward gears before but now lost everything.....any suggestions?
12-28-2014, 09:11 PM
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Yeah, its above the fill line. I'm gonna check and make sure I don't have a line blockage on my cooler....dunno what else to do. I was super careful installing my convertor as I broke the pump on my last 60e and didn't want to do it again, so I'm at a loss.
12-29-2014, 09:44 PM
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Okay, I got it going. Boost valve wasn't seated properly. Seems to be shifting fine, but makes a terrible grinding noise on decel.
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