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Vibration issue

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Old Jul 27, 2024 | 08:05 AM
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Default Vibration issue

I’m getting an intermittent vibration at around 68-75 miles per hour. I can’t seem to consistently duplicate it.

I had a corvette tech in it yesterday and it didn’t do it. I assumed it was in need of the triple flush so I had that done.

it does appear to shift better now, but still noticed the issue on the way home. The tech said 200-500 miles for the relearn.

16’ zo6 with 24k. I’ve only had it about 1200 miles.
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Old Jul 27, 2024 | 09:24 AM
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Is it always on the same road?
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Old Jul 27, 2024 | 11:00 AM
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Originally Posted by Track
Is it always on the same road?
no, different areas. Couldn’t replicate it today on the ride into work. I have no idea
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Old Jul 27, 2024 | 11:13 AM
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Well, driveline vibration is high frequency and won't go away, so I would think you are looking at wheels and/or tires.

If more than one wheel is a bit out of balance (or warped wheels), then the vibration can go in and out of synch between the 2 wheels. I would have them re-balanced at a decent tire shop. While the car is up, spin each wheel while closely watching the edge of the rims. You will be able to see a bent wheel, as the rim will wobble. If you are still running OEM's, this is the likely cause of your vibration. If the wheels are straight and true, then have them do the balance.
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Old Jul 27, 2024 | 05:01 PM
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Bent wheels will do this. I had two bent on the left side. Vibration at the same speed range you're experiencing it. Fixed it with forged wheels.
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Old Jul 28, 2024 | 09:27 AM
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About 150 miles post triple flush and I have not been able to duplicate it. Hopefully it was just some left over shutter and part of the relearn.

so far it’s shifting much much smoother .
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