agreed, same issue for me! 2023 Sas Badlands….It sounds like I’m driving a 30 year old mattress! Very annoying….just saying…my Jeep Gladiator definitely didn’t have all these noises. So far I have a crazy rattle at the passenger side Sunshade, crazy squeaky suspension, and my front passenger...
check out this thread, appears to be a normal sound, characteristic of the 2.3L. https://www.bronco6g.com/forum/threads/can-anyone-help-me-with-this-coldstart-sound-on-2-3l.79881/