Posted on 1/30/2026
A humming or growling noise can drive you nuts because it’s hard to pinpoint from the driver’s seat. It might sound like it’s coming from the front, then you swear it’s the rear. It may get louder on certain roads, or it might change when you turn slightly. The good news is that those patterns usually mean something. If you pay attention to when the noise changes, you can often narrow the cause before it turns into a bigger issue. What That Humming Noise Usually Means Most humming and growling noises come from parts that rotate. Tires, wheel bearings, differentials, and even brake components can create that steady low tone. The sound often builds gradually, so drivers get used to it until it becomes impossible to ignore. One helpful clue is whether the noise changes with speed or with engine RPM. If it rises and falls with speed, it’s usually in the wheels, tires, or driveline. If it changes mostly with RPM while you’re sitting s ... read more