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A comment on Students create device to capture car tyre microplastic debris. Parent comment

Re:Students create device to capture car tyre microplastic d... by artvark11 on Monday November 30, 2020 @01:03PM (#25256795)
Could you explain how the rust is causing an issue on your brakes? Siezed piston or pin?
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Re:Students create device to capture car tyre microplastic d... by Thlom on Thursday December 03, 2020 @02:55AM (#25286632)
It's the brake disc. Some rust on the surface is not a big problem, but if it starts digging in to the metal mass it will cause reduced brake capacity. In Europe a car with lots of rust on the brake disc will not be certified for use (mandatory checkup every two years) until the brake discs have been replaced.
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