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Ahh gottcha. I've been having a problem that no one can figure out. At highway speeds mostly 64-68mph but also anything above that speed will trigger a low rumble and slight vibration. The rumble is always there but in a pattern... whoom......quiet.....whoom....quiet.....whoom with about a second in between the whoom and quiet. when I switch to stock wheels and tires it makes a big difference.. but it still does it. when i'm going 80mph and punch the gas it sounds like i'm hitting the rumble strip on the freeway. I HATE THIS TRUCK. Hope you get yours figured out.
Sweet man, let me know what you find out. I have aftermarket wheels and aggressive tires on my truck.. swapped them out for the stock ones and it seemed to help out quite a bit. still not sure what the exact problem is... I'm probably going to get rid of it at the end of the year and be upside down a little bit.
Sweet, best of luck! I just swapped out my wheels and tires for stock and its improved big time. I think I have a bad wheel... it has so many weights on it.
Thanks for the advice, i'm really not sure what to do... it seems like i'm spinning my wheels and wasting money on trying to find a fix.. If I wasn't going to be upside down I would get rid of it in a heart beat. Hopefully its just annoying and not causing any real problems, besides driving myself crazy.
That's true it could be worth a shot, I purchased it used with 74k miles on it.. I've taken it back to the dealer I got it from they blamed the tires... I took it to another dealer they couldn't figure it out kinda blamed the tires as well.. Transmission shop told me it was probably the driveshaft... had that pulled out and balanced as well. The few shops I've taken it to strongly disagree on it being my tires... only the dealer is pushing that idea. I know what a tire sounds like as well and its nothing like the noise my truck is making.
I took it to a transmission shop he didn't think it had anything to do with the torque converter shudder... i'll have to see if a recording will pick up the audio of that noise. If it does i'll make sure to post it. Thanks
Thanks for the info, i'm guessing my problem is not the chevy shake than... mine doesn't really shake it just has a slight vibration in the floor/gas pedal with that rhythmic humming noise...
Is this just a shake? The problem i'm having is a rhythmic humming noise when driving at highway speeds (55mph+) Humming lasts for 1 sec and then 1 sec of silence, 1 sec of humming, 1 sec silence and so on. Doesn't matter on or off the power, or in v4 or v8 mode. So it's speed related not rpm related.
Any suggestions on a nice exhaust for a 2016 Silverado? I have a slight Hum between 56-58 and 68-70 mph that I can also slightly feel in the pedal /floor. No one can seem to find the fix for this so i'm hoping an exhaust will tune this out so I wont hear/feel it as much.
This thread best describes my issue..
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