I have a 1973 series III. I was sitting at a stop sign and tried to pull out today then encountered a problem. I didn't hear a clunk or pop, but I may have just missed it will all of the other noise. The truck will go into all gears but will not move. I have replaced a half shaft before so I don't think that's the issue and it will not move in 4 wheel drive either. When I tried to move forward it would bog down like I was trying to pull out a stump or chained to something immovable. When the tow truck got there, I could not get the truck to roll. It was out of gear, no E-brake, and I put the high-low range shifter in neutral. The truck would still not roll so it had to be towed on dollies. A friend looked at the driveshaft when I tried to move forward and it would try to turn but something was stopping it. The only guess I have right now is something is broken and jammed in the rear diff. Any ideas?
Thanks, Joe
Thanks, Joe
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