2004 Hyundai Sonata Repair Question
You know that's impossible to tell over a computer. Could be a loose wheel bearing, broken brake hardware, lose wheel, or a worn suspension part. Depending on how you're hearing it or how you noticed the noise, it could even be as simple as a broken exhaust hanger allowing the tail pipe to rattle against the car body.
The best place to start is by having the car inspected at a tire and alignment shop. They know what to look for and a experts at locating the source of noises.
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