Hey Everyone!
I have had my 2017 sierra for a couple years now. I love the truck but since I have had it, I thought it always had a rough ride. I seeked help here on the forums multiple times with great help in return and I got to a point where I got new tires "Continental A/T's (very soft), and then put 6112's on the front and 5160's on the rear. Everything felt fine for the first month, but it seemed that, after the shocks settled, the jittery bumps were back. I was so confused, I had asked everyone, everywhere I went, if their sierra's or silverados rode as bad as mine. No one had my experience. Well, On Monday, I decided, "you know what? I don't tow anything, AND, my tow button has been turned into race mode anyways, soo...I'm going to pull them just to see."
What.A.Difference
Its night and day, I don't have even the slightest thought of getting rid of it now. What I could see when I was down there was that the bags only allow maybe an inch of travel between the bags bump stops at completely empty. I also found that at the recommended 5-10psi for daily use, it only raised it to 1.5 inches of travel. Putting more air in caused for even worse of a ride, basically like I was axle to frame.
Thanks to everyone that has helped me throughout the past year trying to diagnose it. It was right in front of us, we just didn't know it.