Do your cars have this problem?
When speed is above 70miles, I can hear some insignificant noise. I think this noise is from the tires or the vincinity. When speed is below 70 miles, it is definitely gone. I changed the front tires 2 days ago. Could this noise be related to the new tires? Since I bought this car recently, I don't know for sure if it had this problem before I changed the tires. I think it didn't have this problem.
The noise sounds like the continuous noise of a fan. with some periodic breaks. And those tires are cheap ones. The brand is Douglas.
Any suggestion is appreciated.
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