pulled out of a 4 inch mud rut because your allison wouldnt let you rock back and forth.I know its hard on a trans but thank ceaser's ghost I dont have to count on that thing for any life threatening emergencies{hello you have reached the allison transmission dept of GM.Press one if you are stuck.Press two if a pimply faced kid in a 4wd toyota is offering you help.Press three for the nearest Dodge dealer...