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  #1  
Old June 26th, 2014, 08:01 AM
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Question Wheel Balance, wind resistance or...

I noticed vibtration when going 65-70 mph, I rotated the wheels and it made a big improvement. I still have just a "tiddly-bit" of vibtration. I can tell if it's just the wind resistance or something else.
I guess my question is, do you guys experience any vibtration around 65-70mph?
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  #2  
Old June 26th, 2014, 04:25 PM
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does the truck sit for an extended amount of time? my tires all have flat spots
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Old June 26th, 2014, 04:50 PM
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In the winter it stays parked in my garage. I mark the rims with painters tape indicating the orientation when parked. Every weekend I do start it move it around in my driveway then back into the garage after making sure the tires are not in the same orientation. (Seems overkill doesn't it...)

If I do have flat spots, will they work themselves out?

Anyway, I cringe at the thought of getting them balanced, my boosts are unscathed...
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Old June 26th, 2014, 09:20 PM
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Sounds like a harmonic unbalance. (vibration comes in and out at speed) If you rotated the tires and it changed what you are feeling then most probably it is in the tires/wheels. If you feel the vibration from the base of your back then it is from the rear wheels. If has the steering wheel vibrating then it is from the front. Did the vibration change location when you rotated the tires? You can rotate the tires, one at a time, until you find which one is bad. You may have just thrown a weight. The vibration can be coming from another part of the suspension but the tires are the best place to start looking.
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Old June 28th, 2014, 01:31 PM
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my guess is that the tires are cupped or otherwise strangely worn from being driven while out of balance. my recommendation is to drive it another thousand miles and reasess then.
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Old June 28th, 2014, 03:44 PM
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Quote:
Originally Posted by Capt Milks View Post
Sounds like a harmonic unbalance. (vibration comes in and out at speed) If you rotated the tires and it changed what you are feeling then most probably it is in the tires/wheels. If you feel the vibration from the base of your back then it is from the rear wheels. If has the steering wheel vibrating then it is from the front. Did the vibration change location when you rotated the tires? You can rotate the tires, one at a time, until you find which one is bad. You may have just thrown a weight. The vibration can be coming from another part of the suspension but the tires are the best place to start looking.
I rotated all of them, putting the spare on the driver side rear and then the passenger side front is now the spare.
Before rotating, I could see the front wings oscillating while driving 65-70
Now, it seems like the rear has a slight vibration...front is ok
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Old June 28th, 2014, 08:09 PM
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After rotation and the vibration changed sounds like you isolated the problem. I would look to get the rear tires balanced.
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Old June 29th, 2014, 09:52 AM
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maybe a duh-huh kinda moment, are all the lugs nuts right and wheels properly mounted
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Old July 2nd, 2014, 12:16 PM
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Thumbs up

I had Bob Sumeral rebalance all the wheels and it rides like a new truck!
No vibs at all!
The guy who did the work was AWESOME!
Handled the rims like fine china! You don't find people like that everyday...

Cheers...
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