Said It Here

Car squeaks and shudders when stopped at a light

A rhythmic squeaking or high-pitched chittering noise happens when you press the brakes to wait at a stop sign or light. This noise is sometimes followed by the entire car shuddering, making it feel as if the vehicle is about to stall.

What people tried

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

  1. 1
    turning the air conditioning off
  2. 2
    Removing the tire to visually inspect if the rotor is straight from the side
  3. 3
    Checking if slide pins were properly lubricated and verifying inboard and outboard pads were not swapped

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 · October 2026

“There’s a rhythmic squeaking/chittering(?) sound when I am stopped at a light or a stop sign.”source ↗

“When the sound starts back up it is sometimes followed by my whole car shuttering as if it is about to stall.”source ↗

11Toasts11 · r/MechanicAdvice · 1 upvotes

“i recently changed them but for some reason i keep hearing a very high pitched sound when i press brake”source ↗

iamthedetective · r/MechanicAdvice · 1 upvotes

Where this came up

People with this problem also raised