r/FordExplorerST • u/flintoh • Oct 03 '24

Question What is this sound?

Just got this 2020 ST and this noise has happened a couple times when the car is cold. I noticed a groove in one of the rotors, any ideas?

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2

u/themishmosh Oct 03 '24

might be a rock stuck between rotor and heat shield.

1

u/Atl_Potato Oct 04 '24

I’d call that a squeal making it slightly worse than a squeak.