How Do You Know If You Have Bad Rotors. Look through one of the holes at the top of the front wheel. Brake rotors must meet a certain thickness requirement to be considered safe.

One of the first symptoms commonly associated with bad brake rotors is noise. Squealing or squeaking is usually an excellent indication. No pulse no rotor warp.
How do you know if you have a bad or worn Brake Rotor.
If it does not have front disc brakes you will see a round rusted-looking brake drum. If the rotors are warped meaning not perfectly flat or severely worn they may produce squealing or squeaking sounds. When you drive the car will tell you if the brakes or brake rotors are in need of replacing. Some vehicles always require new pads and rotors because the rotors cannot be resurfaced.
