![Brake discs have these black marks on them after replacing brake pads. Only drove one day with new ones then this happened. What is causing it? Should I be worried? : r/MechanicAdvice Brake discs have these black marks on them after replacing brake pads. Only drove one day with new ones then this happened. What is causing it? Should I be worried? : r/MechanicAdvice](https://preview.redd.it/ip0syt6b3pg41.jpg?auto=webp&s=253ff907628d1a0390c7a21ae997da76fb6df7cd)
Brake discs have these black marks on them after replacing brake pads. Only drove one day with new ones then this happened. What is causing it? Should I be worried? : r/MechanicAdvice
![Un-seize brakes ( 2019 ) Easy to fix seized car brakes How fix brakes DIY front rear / brakes repair - YouTube Un-seize brakes ( 2019 ) Easy to fix seized car brakes How fix brakes DIY front rear / brakes repair - YouTube](https://i.ytimg.com/vi/kjsdM9ZUg3c/maxresdefault.jpg)
Un-seize brakes ( 2019 ) Easy to fix seized car brakes How fix brakes DIY front rear / brakes repair - YouTube
![What could have caused 1 brake pad to wear down to metal while my other 3 pads are ~50% used? - Motor Vehicle Maintenance & Repair Stack Exchange What could have caused 1 brake pad to wear down to metal while my other 3 pads are ~50% used? - Motor Vehicle Maintenance & Repair Stack Exchange](https://i.stack.imgur.com/wnG3f.jpg)