Use your states Lemon Law.

 

Sorry to hear about your issues. Sounds like you may have them behind you now. I, too, had a rear main bearing seal start leaking on my 2011 DD Crew (V-6 engine) at 90,000 miles and was aggravated it went out at that higher mileage. The dealer fixed it under a 'good will' warranty, meaning I paid 25% of cost since it was past the time frame for drive train warranty. I now have 125,000 miles on vehicle and no issues with that fix. My wife and I recently arrived at our winter home in Florida (we live in Wisconsin in summers), and Durango performed flawlessly. So, hopefully, your bad experience is behind you and you have many miles of trouble free driving ahead of you.