How are my car’s brakes still functional even though they’re rusty?

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This goes for my car, I recently swapped from steel rims to alloys and I can now see the rotors. Blew my mind how rusty they look. Yet, car’s brakes work great. Is it just the outside thats corroded? I want to know more. Please explain.

In: Engineering

3 Answers

Anonymous 0 Comments

They usually only develop a little bit of surface rust after a rainstorm or if the car is been sitting stationary for a long time. The rust gets scraped off by the brake pads almost immediately after you start driving.

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