Weird sounding brake pedal

[JacobMclaren]

so not sure if anyone has encountered this issue before but my brake pedal is making a weird hissing sound when it’s depressed. Has anyone had this issue before. My bronco is a 2021 base model, is used with just shy of 12,000 km on it. Noticed this problem started a couple days ago.

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[Ford Motor Company]

so not sure if anyone has encountered this issue before but my brake pedal is making a weird hissing sound when it’s depressed. Has anyone had this issue before. My bronco is a 2021 base model, is used with just shy of 12,000 km on it. Noticed this problem started a couple days ago.

Hi there! I can look into the hissing sound you're experiencing with your Bronco. Will you send us a message with your VIN and dealership info?

 

[scaryhours]

Did you ever figure this out? Mine does it as well.

 

[JacobMclaren]

Did you ever figure this out? Mine does it as well.

Yeah the mechanics said it’s just the brake booster, apparently it’s “normal” and nothing to be concerned about. It’s more noticeable when the car is parked, or at stop light.

 

[Alfa 2407]

Yeah the mechanics said it’s just the brake booster, apparently it’s “normal” and nothing to be concerned about. It’s more noticeable when the car is parked, or at stop light.

I am also experiencing the sound and I did trace it to the brake booster, there is nothing unusual about it, it is in short explanation, the sound of the brake pedal using air to push the brake fluid through your brake lines, I have driven 3 vehicles (including the big bend) that had the same sound at different levels of being able to hear it, the other two being a 2005 toyota highlander and a 1977 chevy el camino, so it is not specific to ford, or modern brake boosters

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