My breaks on my car started squeaking and I know that means I need to replace them. I’m just wondering how the mechanical system works.
In: Engineering
Most brake pads have a little piece of metal that rubs on the rotor to make the squealing noise while you still have a small amount of pad left. If your pads don’t have this, it’s the metal backing off the pad rubbing on the rotor.
If you live somewhere that sands the roads, you can get sand, or debris, between the odds and rotors that make the same noise.
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