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Re: Hissing noise when braking
Posted by JohnK (more from JohnK) on Wed, 10 Dec 2003 13:40:12
In Reply to: Hissing noise when braking, Jeffrey, Wed, 10 Dec 2003 11:09:32
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Hissing might be the cruise control pedal switch leaking. Turn off cruise vacuum motor and see if the noise persists.
The ABS pump will buzz/hum sort of like a fuelpump motor and not hiss like a vacuum leak. So the hissing should be unrelated.
The other thing that you might check is the pressure resevoir(aka brake bomb). With car running hit brake pedal rapidly many times. If the warning light comes on after only 5-6 pumps, the resevoir is weak. A fresh one will not trigger the light until after 11-12 pumps. These items are expensive - around $300 even from sponsors. Lastly, the warning lights usually go out a bit faster after a fresh flush of brake fluid.
posted by 208.208.152...
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