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#1
08-28-2005, 01:42 PM
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Hissing Sound Brake Problem
Hello all!
I have a 1987 with a V6, p/b, a/c. Recently I started hearing a hissing noise under the dash when pressing the brake pedal down and the brakes are not as effective as they should be. I can say it sounds like a vac. leak and am wondering what under the dash could be the culprit? Thanks! Brian 
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#3
08-28-2005, 04:22 PM
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Re: Hissing Sound Brake Problem
Ditto on the brake booster. You may need a new one.
__________________
It's not how fast you can go, it's how fast you can get there. Proper grammar, it's not just for English teachers. I don't pick on any one person, I treat everyone this way. My only pleasure is tormenting those people who work for me. There are no stupid questions, just a lot of inquisitive idiots.
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#4
08-28-2005, 05:14 PM
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No noise under the hood...brakes stop ok as far as power boost goes...just spotty as the hissing varies with the leaking vacuum
But the noise sounds like a vac. hose under the dash...is there a vac. line under the dash for brakes Thanks! Brian
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#5
08-28-2005, 05:41 PM
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Sorry for the multiple replies...it's 110 degrees here and I'm working on this thing a little at a time
The noise under the dash is right where the brake pedal rod meets the firewall and goes into the booster. It is a vacuum leak right where the rod goes in Any help? Thanks all! Brian
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#6
08-28-2005, 06:20 PM
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Re: Hissing Sound Brake Problem
More than likely you have an internal leak in your booster.
__________________
It's not how fast you can go, it's how fast you can get there. Proper grammar, it's not just for English teachers. I don't pick on any one person, I treat everyone this way. My only pleasure is tormenting those people who work for me. There are no stupid questions, just a lot of inquisitive idiots.
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#11
09-11-2005, 12:44 AM
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Re: Hissing Sound Brake Problem
They are non-serviceable.
__________________
It's not how fast you can go, it's how fast you can get there. Proper grammar, it's not just for English teachers. I don't pick on any one person, I treat everyone this way. My only pleasure is tormenting those people who work for me. There are no stupid questions, just a lot of inquisitive idiots.
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