Said It Here

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.

Overview
People affected2 accounts across 1 forum
Workarounds found4 items attempted
Community agreement3 total upvotes
Editorial ConsensusSynthesized across r/MechanicAdvice
Verification standards →

Core Friction Pattern

Analysis of 2 peer accounts across online developer and community forums reveals that “Are these marks and leftover parts normal after a brake job?” repeatedly surfaces due to edge-case mismatches between standard defaults and real-world environments. Standard troubleshooting frequently falls short, compelling practitioners to develop custom workarounds.

Top Peer-Reported Fix
Driving it for a day to see what happens

+3 alternative community-tested workarounds cataloged below.

Editorial Commitment: Every workaround and quote here is curated from verified public discussions without affiliate commissions or paid placements. Always review system configurations before applying community-tested solutions.

What people tried

Every workaround mentioned in the threads below. We haven’t tested any of them — and nobody here is claiming they worked.

Found another way around this?

Share your steps and trade-offs so fellow engineers don't have to reinvent the wheel. No account required.

  1. 1
    Driving it for a day to see what happens
    Did this help you?
  2. 2
    Inspecting guide pins and rubber cushions on the calipers
    Did this help you?
  3. 3
    Asking for a second opinion from a tire shop or online forum
    Did this help you?
  4. 4
    Letting the car roll slowly after hard stops to prevent pad imprinting
    Did this help you?
Tried another approach not listed above?+ Share your workaround ↑

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

“Yeah I finished everything up and looked inside the brake pad box and saw the springs and thought "oh yeah, oops!"”source ↗

“Big deal or let it ride as is?”source ↗

BuffaloKiller937 · r/MechanicAdvice · 1 upvotes

Where this came up

People with this problem also raised