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Anyone else get a buzzing sound in the B pillar when accelerating around 30+ mph? Sounds like a plastic type buzz. Taking the truck in for the recall on Tuesday, if anyone has any suggestions to help point them in the right direction I’d appreciate it!
2020 Sierra SLT This morning I noticed a buzzing noise coming from the rear of the cab. The sound came from the right bottom of the rear window. The buzzing stops when I turned the rear defroster off. Turned the rear defroster back on, the buzzing started again. Has anyone else had, or noticed, this problem? I tried to find a connecter to see if it was loose but couldn't find it. I don't think it's affected the performance of the defroster, at least not yet. I figure it'll require a trip to my dealership's service department, which I'm not a huge fan of. Thanks for your time, DC
I have a 99 Silverado 1500 4.8L standard cab manual. Recently, just after making a turn (both left or right) from a stop or slow roll, I sometimes hear a loud, brief buzz on the drivers side somewhere behind me, just a second or two after pressing the accelerator (normal, not hot rodding). It sounds electronic or hydraulic. Has happened in both 1st and 2nd gear. It’s not a vibration, grind, or constant hum. It sounds similar to but much louder than the sound made by new vehicles when you engage the electronic parking brake. It’s hard to tell exactly where it’s coming from, maybe near the fuel tank but not the fuel pump. Everything seems to be working normal and nothing looks broken or out of place underneath. Anyone have any idea what this is?
Many people have upgraded the bass in their newer model Chevs/GMC/Caddys and have found that with that comes some new vibrations and rattles associated. Below is a run down how to solve one of those problem areas which is the homelink buttons. Problem: Homelink buttons rattle/buzz/vibrate with bass of stereo Vehicles application: Any with homelink buttons (example vehicle shown is a 2018 Suburban) Test: Turn it up (to 11 if you have to) and listen to your homelink buttons, or if you just lightly touch on them and you feel them very loose and not sturdy, odds are that is a source of one of your new rattles. Solution: Electrical tape and some minor disassembly of the overhead console and homelink buttons. Process: Step 1: Test it to see if you have the issue. I added a 10" sub in the back that now vibrated the homelink buttons on certain frequencies, very annoying. It also did the window switch buttons but that is a different fix although very similar. Tap on the buttons lightly, if they are wobbly and loose then you probably do or will have this problem, or turn the volume up with your favorite bass track and listen to the buttons vibrate. Example Image of this part on 2018: Step 2 (VIDEO): Disassemble the control unit. Here is a great little video on a 2015 Tahoe that is identical procedure to get the panel out that holds the homelink. Video Link: Overhead homelink removal Remember you will need to disconnect plugs before the cover panel will actually come out and DO NOT just pull down hard on the entire overhead console center. There are two screws (phillips on the 2018) retaining the full overhead piece in. Just open the sunglasses holder if you have it and we only need to take down the middle cover plate to perform this fix. Step 3: With the piece out on a workbench you can now disassemble the homelink buttons using a torx bit screw driver. It is very small and there are two screws holding the homelink into the cover/trim plate. Step 4: Is to take any decent vinyl electric tape/felt tape/flocking tape and add it to the trim plate like the below. You can trim the excess if you want to. The goal is to make sure you cover the bulk of the perimeter where the buttons themselves will rest against the cover/trim plate. The addition of two layers of Vinyl electric tape cured the problem I was experiencing. This additional thickness added pressure to the buttons mount tab itself which created a more snug and tight fit, that also made the buttons more rigid in the mount. Step 4: Reassemble the homelink to the cover plate, and then put everything back together in reverse order and you should now be vibration noise free at the home link button spot on your overhead console. Make sure to reconnect all plugs and test function before final pressing of the control plate back into the overhead console. Any questions let me know. I only had electrical tape to perform this task. I have some felt tape and flocking tape on order to do more vibration and rattle killing with the addition of the sub. Below is the two versions of tape I ordered that I will also have on hand other than black vinyl electric tape on this quest for vibration and rattle free music listening. J.V. Converting FLOCK-1/BLK05833 JVCC FLOCK-1 Flocking Tape: 1/2" x 25 ft., black J.V. Converting FELT-06/BLK15 JVCC FELT-06 Polyester Felt Tape: 1" x 15 ft., black