Can You Drive With a Bad Alternator If the Battery Is Charged? The Real-World Answer

Yes, but only for a limited time that you can roughly calculate based on your battery capacity and your electrical load. A fully charged car battery holds approximately 40 to 50 amp-hours of energy. Your car consumes electrical power continuously while running, through the ignition system, fuel injectors, ECU, headlights, blower fan, and other systems. […]
Humming Noise From the Rear Axle That Gets Louder at 50 MPH: Why Speed-Dependent Noises Point to Wheel Bearings

A humming or droning noise that comes from the rear of the vehicle, increases in volume or pitch with speed, and is particularly noticeable around 50 to 60 mph is the textbook symptom of a failing rear wheel bearing. This combination of characteristics, a continuous hum that correlates directly with vehicle speed rather than with […]