2009 Volkswagen Passat Q&A

2009 Volkswagen Passat Question: there is a hissing/air release noise when the car is in drive. brake: no noise

There is a hissing/air release sound when my car is in drive and when I brake the noise stops. -
Answer 1
Have the brake booster checked out. Before it gets worse!! -
Comment 1
thank you very much. Is this normal or maybe a defect? thanks -