Perhaps the posi-lock cable setup isn't adjusted properly. Also an open differential isnt much help off road. A locker will help a lot in 90% of hardcore offroad situations. If highway snow driving is something you frequently do with this vehicle, it better be a selectable locker.
A forum community dedicated to Jeep Wrangler owners and enthusiasts. Come join the discussion about reviews, performance, trail riding, gear, suspension, tires, classifieds, troubleshooting, maintenance, for all JL, JT, JK, TJ, YJ, and CJ models!