Vibration issue
Thread Starter
Racer
Joined: Mar 2014
Posts: 410
Likes: 3
From: Garland Texas
Vibration issue
C5 owner here but have an issue that maybe someone can help me with in the C6 forum. 03 base vette M6 with 49Kmiles.
I have a pulsating (on/off) type vibration at any speed above 35 or 40 or so. It comes and goes with equal vibration on and vibration off time. It is not instant on, instant off, it gradually goes from no vibration to vibrating then gradually goes away, then repeats like clockwork. I don't feel it in my hand/steering wheel, it is more of a seat of the pants vibration. When I am driving down the road and turn the wheel to the right, the vibration goes away. When I turn the wheel to the left, it gets worse, it becomes a constant vibration. This leads me to believe that it is a wheel bearing on the right side but I have checked all 4 wheels (the 12/6 and the 3/9 position, yanking on the tire in opposite directions of each other) but the bearings feel fine, no movement. Also, the vibration is not violent, doesn't shake the car, etc. Any ideas of what this is or some things to check? Is there another (better) way to check the bearings? Any comments or advice would be appreciated. Thanks in advance.
I have a pulsating (on/off) type vibration at any speed above 35 or 40 or so. It comes and goes with equal vibration on and vibration off time. It is not instant on, instant off, it gradually goes from no vibration to vibrating then gradually goes away, then repeats like clockwork. I don't feel it in my hand/steering wheel, it is more of a seat of the pants vibration. When I am driving down the road and turn the wheel to the right, the vibration goes away. When I turn the wheel to the left, it gets worse, it becomes a constant vibration. This leads me to believe that it is a wheel bearing on the right side but I have checked all 4 wheels (the 12/6 and the 3/9 position, yanking on the tire in opposite directions of each other) but the bearings feel fine, no movement. Also, the vibration is not violent, doesn't shake the car, etc. Any ideas of what this is or some things to check? Is there another (better) way to check the bearings? Any comments or advice would be appreciated. Thanks in advance.
Melting Slicks
Joined: Jun 2014
Posts: 2,268
Likes: 503
From: NJ
I agree, its either a bent wheel, out of balance tire or a slipped belt in the tire itself. Unloading the wheel , as in turning left or right, will cause it to diminish or lessen. 
Also, a worn tie rod will do this too.
Also, a worn tie rod will do this too.
Last edited by 1Hotrodz; Jun 10, 2014 at 03:21 PM.
Thread Starter
Racer
Joined: Mar 2014
Posts: 410
Likes: 3
From: Garland Texas
They put new Firehawks on there when I bought the car in FEB 2014, are Firehawks any good? Also, I checked my tie rod ends( I think) and they feel solid and tight. Is there a more positive method to check them?
Pro
Joined: Apr 2011
Posts: 689
Likes: 47
C5 owner here but have an issue that maybe someone can help me with in the C6 forum. 03 base vette M6 with 49Kmiles.
I have a pulsating (on/off) type vibration at any speed above 35 or 40 or so. It comes and goes with equal vibration on and vibration off time. It is not instant on, instant off, it gradually goes from no vibration to vibrating then gradually goes away, then repeats like clockwork. I don't feel it in my hand/steering wheel, it is more of a seat of the pants vibration. When I am driving down the road and turn the wheel to the right, the vibration goes away. When I turn the wheel to the left, it gets worse, it becomes a constant vibration. This leads me to believe that it is a wheel bearing on the right side but I have checked all 4 wheels (the 12/6 and the 3/9 position, yanking on the tire in opposite directions of each other) but the bearings feel fine, no movement. Also, the vibration is not violent, doesn't shake the car, etc. Any ideas of what this is or some things to check? Is there another (better) way to check the bearings? Any comments or advice would be appreciated. Thanks in advance.
I have a pulsating (on/off) type vibration at any speed above 35 or 40 or so. It comes and goes with equal vibration on and vibration off time. It is not instant on, instant off, it gradually goes from no vibration to vibrating then gradually goes away, then repeats like clockwork. I don't feel it in my hand/steering wheel, it is more of a seat of the pants vibration. When I am driving down the road and turn the wheel to the right, the vibration goes away. When I turn the wheel to the left, it gets worse, it becomes a constant vibration. This leads me to believe that it is a wheel bearing on the right side but I have checked all 4 wheels (the 12/6 and the 3/9 position, yanking on the tire in opposite directions of each other) but the bearings feel fine, no movement. Also, the vibration is not violent, doesn't shake the car, etc. Any ideas of what this is or some things to check? Is there another (better) way to check the bearings? Any comments or advice would be appreciated. Thanks in advance.
Had the same issue before. It's useless trying to yank the wheels, mine vibrated only at 35 and above and gradually got worse. A pulsating vibration like a cellphone in the steering wheel. 2 dealerships, said no it's not the wheel bearings, had a 3rd take it for a spin, noticed the symptoms went away when going one direction vs the other, it was the front wheel bearing. Both fronts were replaced under 5 year/100k warranty.
Thread Starter
Racer
Joined: Mar 2014
Posts: 410
Likes: 3
From: Garland Texas
That is the direction I am going. I plan on replacing the fronts in the next couple of weeks and feel confident that the issue is with the front right. Thank you for commenting on this, it definitely sounds as if that is my problem too. We'll see. Thanks again!
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SUBVETTE
Joined: Jul 2006
Posts: 3,841
Likes: 93
From: San Diego CA
Glad to hear of your success. I had pretty much the same issue a few years ago on my 06 where I felt vibration but not through the steering wheel. Passenger side front wheel bearing was the culprid.
Race Director
Joined: Sep 2007
Posts: 16,557
Likes: 2,108
From: Peoria/Phoenix AZ
C6 of Year Finalist (performance mods) 2019
I replaced both fronts on the wife's 77K mile '08 STS last week to resolve that problem. Less than an hour for each and $108 total cost.
Got the Vette's fronts done under warranty at 98K miles. Self diagnosed at 83K, but not convincing enough to 2 dealers for another 15K.
Seems to be a common problem starting around the 70-80K range.
Got the Vette's fronts done under warranty at 98K miles. Self diagnosed at 83K, but not convincing enough to 2 dealers for another 15K.
Seems to be a common problem starting around the 70-80K range.
Pro
Joined: Apr 2011
Posts: 689
Likes: 47
Thread Starter
Racer
Joined: Mar 2014
Posts: 410
Likes: 3
From: Garland Texas
That was the strange part, I didn't have a vibration in the steering wheel, or at least I didn't think I did, felt it more as if it vibrating the whole car. But now that is is changed, the steering wheel does have a smoother feel, figured it was road vibration, etc. now it's time for the left front, then the left back, and they'll all be done.