Turns out that thumping noise from my awd 2014, 1000 miles. Is not a normal noise like they told me, they had to replace the rear axel. Should have bought the audi a6
I have a 1000 miles on my 2014 mix awd. Just recently I noticed a very loud thump from the rear end when I excelerate my dealers says it the awd engaging, it's supposed to be always engaged. Help