How do you know which wheel bearing is bad?

You can test this by gently swaying your car while driving slowly. If the noise lessens when you sway right, then the damaged bearing is likely on a left wheel bearing. If it lessens when you sway left, a right wheel bearing is likely broken.

How do you tell which wheel bearing is bad front or back?

How do you find out which wheel bearing needs replacing?

How can you tell the difference between bad CV joints and bad wheel bearings?

If it moves back and forth, the wheel bearing is bad. A CV joint will make a clack, clack, clack noise, most often when turning. A wheel bearing will make a constant droning noise while you are moving. CV joints clunk or make louder noises on tight turns.

How do you check rear wheel bearings?