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Old 08-06-2010, 02:48 PM
 
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Default air leaking noise coming from brake pedal


hey guys just recently when the car is running and i press on the brake and let off i hear a noise coming from the brake pedal. the noise sounds like and air leak or hissing sound. it goes away when i press on the brake pedal but comes back when i let off. do you guys know what the problem is and what needs to be replaced? and also maybe a diy?? thanks
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Old 08-06-2010, 03:02 PM
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Talking Re: air leaking noise coming from brake pedal


THe brakes are VACUUM ASSISTED< ie air, Enjoy, woody

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Old 08-06-2010, 05:24 PM
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Default Re: air leaking noise coming from brake pedal


Sounds like you have a vacuum leak in the brake booster. With your foot off the pedal, no vacuum should be leaking.

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Last edited by James1549; 08-06-2010 at 05:28 PM.
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Old 08-06-2010, 07:34 PM
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Default Re: air leaking noise coming from brake pedal


I think I know the noise he's talking about, mine have done it since I've had the car and they work fine. Nothing needs to be replaced lol


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Old 08-09-2010, 06:59 PM
 
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Default Re: air leaking noise coming from brake pedal


thanks for the help guys. so does that mean i have to get a new brake booster to fix the problem???
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Old 08-09-2010, 07:10 PM
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Default Re: air leaking noise coming from brake pedal


Quote:
Originally Posted by amgstyle
thanks for the help guys. so does that mean i have to get a new brake booster to fix the problem???
I had something like this once and it was a vacuum leak, the dealer replaced the power brake unit.
Pinpoint the source of the noise under the hood.


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