Originally Posted by
brightideaselectric
So when driving in the winter, this is the first winter with this truck, is it okay to leave the differential locked on snow covered roads and let it automatically disengage over 20 mph and then let it re-engage when the speed comes down under 20mph. Or should I just manually engage it while at a stop and then disengage it after I am up and moving?
Not sure if it will do any damage but I am pretty sure it was not designed for that. It will disengage above 25 mph and then will not re-engage until you drop to 19 mph.