hissing noise

2006 PEUGEOT 207
91,000 MILES
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INDYD
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hi i just recently bought my car and realized that when i apply the brakes theirs a hissing sound from inside the car. now i did a bit of research and loads of people say that its a bad brake booster. i have driven the car around 4-5 times since i noticed the problem but the brakes seem absolutely fine. now is this normal or should i book it in with a mechanic. bearing in mind that the car just went in for a service
Apr 26, 2013 at 7:39 AM
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MHPAUTOS
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ill be a vacuum leak at the booster, it will get worse and if the booster fails you will end up with a very hard brake pedal and very inefficient brakes, get it looked at ASAP.
May 6, 2013 at 4:49 AM