2002 Audi TT "hissing sound brakes applied" Questions

...hissing sound until i let off the gas. I switched back to the stock dv with the same result, Either one of your valves isn't reconnected/reassembled properly or something else came apart . . . the ...

hissing sound when i apply brakes and engine sputters when i come to a stop then try to accelerate This sounds like a bad brake booster, that sounds like the hissing is when brake is applied. check ...

Hissing sound from under the driver's side of 2003 Expedition Eddie Bauer. While driving or sitting with trans in park and engine running. Hissing sound from under the driver's side of dash. When the ...

hissing sound coming from the brake pedal when i applie brakes hissing goes away what is the noise? sounds like ur brake booster is leaking

...sound will most usually go away. The brake servo or booster is divided into two chambers separated by a flexible diaphragm. Briefly there is vacuum on one side and pressing the brake pedal allows air ...

...hissing sound by my brake peddle when I apply my brakes and it does not go away. When I run the engine and depress the brake peddle and hold it there and turn the engine off the brake peddle comes ...

...hissing sound when applying the brakes. The braking seems to work. Someone said it means master cylinder is going out. Hissing is more associated with a failing brake booster. Since it uses manifold ...

sound as i press the pedal before they engage and theres a click outside when they do. also sometimes they take a few seconds to engage, hissing the whole time, but i can still stop the car if i press

...vacuum leak. When I apply brake pedal there is a hissing air sound from under dash. I bled the brakes which had a lot of air in system and making stopping hard. sounds maybe booster is diaphram is ...

...hissing noise If the sound is heard when the barkes are applied it is due to worn out brake pads or brake drum. You need to jack up each of the wheels and manually check if there is softness of the ...