New What Causes A Wheel Bearing To Go Bad Pictures. A bad wheel bearing sound is usually a loud hum coming. Grand ams eat wheel bearings, if one is bad you might as well replace both of them as the other will go out in a month or so, i had a 94 and replaced 6 wheel bearings in that car in 113,000 miles.
Of course, wheel bearings don't always go bad on their own.
Wheel bearings are safety critical components designed to sustain radial and axial loads caused by gravitation, acceleration, breaking & cornering forces, so they need to be replaced. In addition to any of the possible causes listed under good, bad or no shock, the imbalance must be corrected. What does a bad wheel bearing sound like? I try to regularly go over my bikes every 5 rides or so.