Stats out quietly then gets louder
My car has an automatic transmission.
Hi there. A knocking sound that progressively gets worse as the vehicle accelerates is typically caused by wheel bearings that are damaged, wheel weights that are hitting against a brake caliper, or ball joints that are failing. In order to pinpoint the precise source of this issue and to ensure the right repairs are completed the first time, you should have a professional mechanic complete a car is making a noise inspection.
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