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Discussion Starter #1
So while I was sitting in my car tonight I stepped on the brake pedal while in park and a weird shot of air sound began for about 1-2 seconds when I pressed down and again when I let off of the pedal. Is this normal or should I have it checked out?
 

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1.4 engines have an auxiliary vacuum pump for brake assist. The engines provide very little vacuum themselves.

Mash the brake pedal with the engine off and ignition on and you'll definitely hear it.
 
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