Thepirate

Have 5300 miles on my 2500HD with the 6.6, rear suspension is making a loud clunk on bumps checked leaf springs and spare tire and exhaust mounts all seem good I’ve owned 5 other HD’s all with 6.6 never heard anything like this anyone else had this issue

Have 5300 miles on a 2020 2500HD Duramax, I’ve owned 7 others none had this issue. I checked the shocks, spare tire and exhaust mounts and that’s not the issue, I haven’t yet taken it to the dealership so let’s see what they say sounds like we’re all having the same problem