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Discussion Starter · #1 ·
hissing sound coming from the pedal area. I'm assuming it has something to do with the brake booster. when i hit the brakes, the sound stops for a second and then starts again.
Does this mean my booster is shot? It seems to work just fine at the moment...
Thanks
Sean
 

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Re: hissing sound (aggressivefox88)

Yes. It means you have a pinhole on your booster bladder. The hissing stops because you are making the "vacuumed" area of the booster smaller, satisfying the vacuum temporarily. Does that make sense?
 
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