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Deleted member 1183
Yet I think I'm the guilty one. I probably didn't give it the proper torque when I changed my tires before the trip.
That thought had occurred to me.
I have never seen a properly torqued axle nut come loose, with or without a locking pin. In fact I have never seen it happen full stop. In fact they take considerable force to loosen once they have been tightened correctly. You may well have been distracted by something during the entire procedure. I always also do a double check on all nuts and bolts loosened during the course of mechanical work, just in case I have been absent minded during the procedure.
It is good that you were not injured because of this. I bet it will never happen again