Are these marks and leftover parts normal after a brake job?
People often miss critical hardware like anti-rattle springs during installation or struggle to tell if permanent scoring on new rotors is actually a defect. This leaves car owners guessing whether their DIY or dealership brake service is unsafe to drive on.
What people tried
Every workaround mentioned in the threads below. We haven’t tested any of them — and nobody here is claiming they worked.
- 1Driving it for a day to see what happens
- 2Inspecting guide pins and rubber cushions on the calipers
- 3Asking for a second opinion from a tire shop or online forum
- 4Letting the car roll slowly after hard stops to prevent pad imprinting
In their words
Unedited, grouped by where they were said, most upvoted first within each place, each linked to the thread it came from.
r/MechanicAdvice2 people · September 2026
“Are these marks on the brake rotors normal? Dealer says they are normal. They are permanent and don t come off after driving.”source ↗
Upper_Swing_9404 · r/MechanicAdvice · 2 upvotes
Where this came up
People with this problem also raised
- 3Are new brake pads with a chipped corner safe to use?
- 4Are my brake rotors ruined if they glow blue after bedding?
- 2Does this concrete crack need immediate repair?
- 8Why is my truck shaking and popping after replacing wheel hubs?
- 2How to know if a brake caliper is aligned correctly
- 5Why is my brake pedal mushy after a service?