Q: Vibration at 35 mph

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I recently been having vibration in my car, and it is always in the 30 mph speed. Under 30 or over 30 it stops. I got new ball joints, new tires and they where balanced. But it still does it. I can't seem to figure out the problem

My car has 115000 miles.
My car has an automatic transmission.

Hi there. This is very odd, as typically when a mechanical component is damaged, the vibration or rattle will progressively increase as you accelerate. In most cases, a tire / wheel out of balance will cause this type of vibration, or wheel bearings that are damaged. It’s also common for a CV joint that is wearing out to cause a vibration around the same speed. I think it’s a good idea to have a professional mobile mechanic come to your location and complete a car is vibrating inspection.

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