Brakes - Squealing Noise

"My Brakes Are Making an Occasional Squealing Noise.... Do I Need New Brakes?"

 

Well the answer is that easy.... When is a little squealing just a natural mechanical sound of brakes doing their job, and when is it a sign of serious mechanical failure?

 

   Many Technicans will say that squealing from your brakes - even brakes on a reasonably new car or new brakes recently installed on a used car - is "normal." That's not the full story... The condition is never "normal," but is it common. Modern brake pads (the plates used to protect the main metal parts in your braking system) and their linings are no longer made of asbestos (thanks to the EPA), but of tiny slivers of metal and other materials compressed tightly together. These high-tech brake pads and linings are much harder than asbestos. They have excellent friction qualities, but, unfortunately, they often make noise because of the metal fibers contained in them. If you rub metal on metal, even if it's nearly microscopic metal fibers, you can imagine how you're going to hear some squealing.

 

 

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