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Old 03-07-2022, 10:38 PM   #11
Bad 1LE
 
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Drives: Chevrolet Camaro 2SS 1LE
Join Date: Feb 2022
Location: MA
Posts: 62
Sounds dumb but seeing how you have swapped out the converter, double check the fluid level. I've seen a few modern a/t transmissions do this due to low fluid. Its a safety feature many have so they don't burn up. Most won't even trip a CEL when they do it. Not saying it's your problem, but it's an easy thing to double check.

I know for a fact that the Allison trans will do wierd stuff like this thanks to the wonderful leaking cooler lines that originally came on my old 3500. Lost 2.5 quarts on a road trip, made it 100 yards out of my driveway the next day before I thought I needed a transmission. Thankfully modern tech prevented it from eating itself up before I knew there was an issue.
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2022 2SS 1LE, 6MT, Black, PDR, Sunroof, Nav, Alloy Pedals, SS Console Lid, Black Camaro Fender Emblems.
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