Sloppy rear suspension

Steve M

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So I am curious if anyone else has noticed this, or had this issue. I have a '21 AT4. 5.3. While I know this generation has its short comings, <ahem, ugly dash>, For the most part I like the truck. One thing that annoys the hell out of me, is that the rear seems to get a bit squirrely. I get it, It's an off road suspension compared to my last truck, <2014 Silverado Rally II", but the front seems to handle well, but the rear likes to get a bit sloppy. I want to blame the shocks, but not sure if changing them out will help. I know its not a handling truck, <used to have a lifted 96 bronco. Pig on Handling> Was curious if anyone else had that issue, and if so, what did you do to get rid of it? I plan to keep this truck, so just want to fix the bugs.
 

It’s the Rancho shocks, can add a set of Bilstein 5100s to make it feel more planted. This is one of the most common upgrades most everyone does to fix that.
 

Thanks. I kind of figured that, but wasn't sure. Bilstein's were on my "to do list".
 

Rear dosen't seem planted and acts like it wants to jump out when you hit a bump?

Alot of what I've read on various forums, before and after I purchased my '20 AT4 1500, most replaced the shocks and problem was greatly reduced or went away completely. My rear seemed to jump out and the more I drove it the worse it seemed, didn't feel planted. Alot of suggestions on what to replace them with but settled on what I've used on past vehicles. I went with a set of Bilstein 5100's for the rears. Made a big difference and felt more in control, truck had less than 3,000 miles on it from what I remember. Decided to do the front's around 8,000 miles and went with set of 6112's with the springs as they came with them, just for the sake of I only planned on doing it once so might as well. The OEM fronts weren't as bad as the rears but they did start feeling not work as well as I put on more miles. Once I got them changed over it felt better.

Hope this helps
 

That's what annoys me. Feels like the ass is jumping around. One of my biggest peeves. I just hit 14k on the truck, but it has annoyed me since day one.
 

Lots of info on how terrible the Ranchos slop with these trucks. It was one of my first and most noticeable mods done to my truck.
 

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