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Discussion Starter #1
A wheezing sound comes from the engine compartment when I step on the brake pedal. Sounds like someone with asthma. The wheezing goes away if I push harder on the pedal or when I take my foot off the pedal.

Otherwise the brakes work fine. Brake fluid level is OK.

I wonder if there's something that needs to be fixed?

Does anyone have any suggestions? Thanks!
 

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Sounds like the sound could possibly be coming from the Brake Booster.Have someone apply the brake while you have the hood up and listen for the sound. Look for a vacuum leak at the booster.
 
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