huntr1
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Transmission went in the suburban on Friday night. No 3rd gear. 3.5 years and +/- 50K miles on it since rebuild. Towing the troop trailer is what did it I am sure. Time to start researching and then gathering parts. Upgrading the 4L60 to a 4L80. Means new transmission, torque converter, re-flashed computer, splicing in additional speed sensor, new transfer case input shaft, possible new front and rear driveshafts. Not sure what all else. Transmission and TC will arrive on Saturday. If anybody wants to donate, feel free, cause I'm . If anybody wants to help, I'll take it, I'm planning to do it myself and have never done anything quite this big before.