If the noise you're hearing is coming from your brakes, the causes of the brake squeal may be:
* Vibration is the source of most brake noise. When noise is heard it is usually due to the vibration between the pad and the rotor, or failure in other brake hardware. Hardware should be replaced with every brake job.
* A noise may also be heard if brake ‘wear’ indicators or ‘sensors’ touch the disc brake rotor. When this occurs the ‘sensor’ often emits a high pitch noise to alert that brakes need immediate attention. If this occurs have the brakes checked immediately by a certified brake system specialist.
If your brakes squeal when you don’t have your foot on the pedal:
* It is possible the wear indicator is contacting the rotor because the linings are too thin. It could be time to change your brakes.
* Caliper slide pins that are not properly lubricated may bind causing brake drag. Also, corroded brake hardware and/or bracket can cause brake drag as well.
Apr 9, 2011 at 8:47 PM
