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My 2019 Denali has a "buzz" from the radio stack area, but only under light acceleration between 2,000 and 2,500 rpm. The dealer ordered a whole new radio stack assembly for me and it's going to be installed as soon as i can arrange the time for it. Will update.I'm curious how many if any here have squeaking, creaking, or rattling coming from their consoles and center stack areas of the dash. I had a 2019 Tahoe which had some but not too bad. My 2020 has quite a few. The console wasn't in correctly from the factory so I removed it and put it back the way it's supposed to go which eliminated some of it but a hard bump brings all kinds of plastic noises. If I touch any of the plastic trim around the screen or audio/climate controls with any sort of pressure everything squeaks and groans. I am thinking it'***** or miss with the assembly, materials, and design of the dash as to whether you get a quiet one.
Well I'm not really forgiving in this instance but kind of between a rock and a hard place. They switched a lot of stuff from my 19 to my 20 so my other option would have been to walk away and have it all switched back and who knows what they would have messed up doing that. I got a lot of the squeaks out of the dash yesterday...not all. There is also something rolling around deep inside the dash, a screw or some other foreign object that intermittently rolls around on turns and hard stops. God only knows what they either left in there or didn't tighten up at the factory. I would have really had to disassemble way too much to even have a chance of finding it. So today I get out of the truck and shut the door and I hear a rattle coming from the front. So I tap on the bumper right above the air deflector and it sounds like the whole undercarriage is loose. This is LOUD. I crawl under there and the two 10MM bolts on each side that hold the bottom of the bumper to another piece that secures it to the truck are just hanging half way in the threaded clips. I guess they figured there was no need to tighten those lol. The whole assembly was rattling all over the place. I tightened them up. This service dept is a freaking circus. At this point I wouldn't trust them to put ketchup on my burger.Man, you’re one patient forgiving guy. That’s a lot of stuff to just deal with. The survey might be a good chance to get some answers/results. If there was another GMC or Chevy dealer around I’d reach out to GM customer service and let them make things right. Dealers pride themselves on “factory certified” techs. These clearly are not.