3 posts in Car Diagnostics blog about "wheel bearing" — OBD-II diagnostics, DTC codes, repair. ← All posts
Three causes, and a free road test that separates them. Doing that test first stops people buying tyres for a bearing problem.
Where you feel the vibration and at what speed it appears identifies the cause before anything comes off the car. Steering wheel, seat and pedal each point somewhere different.
A hum that rises with speed comes from three different components. How to separate them on the road without a ramp, and why ABS sometimes finds it before your ear does.