Passat (B6) :: Persistent White Noise That Stops When Pressing The Brake Pedal
Jun 16, 2009
First off, I would like to say that I really like how the engine rolls in my 06 Passat 2.0T. Suspension is great and the brake works well...so far. What worries me now is the persistent white noise I get in the cabin when the engine is on, driving or idling, EXCEPT when applying brake.
I took it to the dealer 2 times for this reason. The first time, the rep swore that he could not hear the sound and made a crazy person out of me. The tech wrote in the report that there is no problem. The rep explained that it is the sould of air circulating back (what air?).
So, I took it to an independent mechanic, the one I have been taking my other cars to (Nissan, Infinity, BMW) for the past 5 years or so. He readily heard the sound and identified it as vacuum leak.
I took the car back to the dealer and asked them to check, and it came back to me that the booster performs as per design. It is true that I haven't experienced any loss of brake power yet.
Meanwhile, the sound is getting stronger (and I don't think I am imagining it all, either). Now I have to turn on the radio or CD to muffle the noise.
(Now that my venting and ranting is done...)
Also, if it really is a vacuum leak, does it generate a code? So far, I have not seen any check engine light or check brake light and matchign description appear on the dashboard information console.
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I had 2 brake related issues. First was a honking noise when pressing/releasing the brake pedal (covered by T-SB-0363-10, attached below). Second was rear brake squeaks, particularly when backing up (T-SB-0102-11, attached below). I had the squeak issue repaired under a previous TSB a few years ago, but the noise came back after a while, and the updated TSB includes replacing the pads and other parts.
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Getting a clunk feel and sound while pressing the brake pedal? If I press harder, another clunk or two occurs. Felt and hear especially at low speed or stopped. No issues braking, but the clunk has slowly gotten worse since I dropped the car on RSR Downs which could be a coincidence.
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The noise, a loud hum, appears when pressing the Power button and the brake pedal. It also appears when pressing the Power button twice without pressing the brake pedal. When starting up the car, the hum lowers in pitch significantly (though not in volume) as soon as the Park button is pressed.
When I bought the car, I brought it in to the dealership for a complete checkup. They replaced the inverter coolant pump under the recall notice. Don't know if that's significant. I opened the coolant reservoir cap last night with the motor on, and noticed movement inside, so it appears to be working fine.
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They told me I needed to replace front brake pads, so I did that. Immediately after they finished I noticed what I would describe as a clack or clank sound when pressing or releasing the brake pedal.
This sound was not there before. I went back inside and told them, the tech came out and listened and said it would probably go away. I took the car back in a couple weeks later and they applied some type of lube which didn't work. The service rep said that the only way to remove sound was to replace some type of pin.
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2003 echo , automatic, 168,000 km's
When I press the brake pedal when in the car is in PARK , I can hear a click in the plastic transmission housing beside your knee, where you change gears. It clicks when you press and clicks again when you release, almost sounds like a relay clicking. It only happens when in park, not in neutral or drive or reverse. It seems to click right when the brake lights go on and again when they go off.
Possible shift lock solenoid or control unit?
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I made a scary discovery the other day, or I should say, my son did... Apparently, you can shift the lever out of park, reverse, any gear without pressing the brake pedal first! 06 GX with 77k ...
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Just recently when pressing gas pedal heavily, my truck makes a squealing noise. What that is?
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But when I take my foot off the brake pedal , its just seems rather noisy (clunky). As if VW forgot to put some rubber or something to prevent this clunky sound. (it just sounds cheap)
My jetta and tiguan never seemed like this. Have to stick my head under there and see whats up
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Ok, I changed my front brake pads and rotors last week and since then everytime I get in the truck and drive for about the first 2 or 3 miles when I push the brake pedal it feels like my ABS sytem is activating. Then it stops and the ABS light comes on but the brake pedal stops pulsating when depressed. Is my ABS going bad or did I possibly do something wrong? I have changed the rotors and pads before without problems....
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Lately my cars been shaking pretty bad and making a thumping noise when i have the brake pedal about halfway down. Doesn't seem good. What it could be? also it makes a pretty loud whining type noise when the cars on think its a pulley or water pump but not too sure.
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From the first day i bought this car i had a strange noise coming under the hood. Every time i leave my car for at least 2 hours parked and then started, when i do a few meters i hear a noise like a hydraulic valve comes in place and my brake pedal does a small movement. After that everything is normal.
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I figured it just needed a few minutes, I drove it for about 45 minutes, and it never got any better. I have changed the brakes several times before and never seen anything like this before.
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The truck in my sig. makes a clicking noise when it's in the park and I press the brake pedal down. The click is coming from somewhere up high in the steering column. It doesn't make the clicking noise in any other gear only in park. Might be normal but I don't remember hearing it before?
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The car starts if I press the gas pedal slightly. It falters a little and idles a little rough, fuel can be smelled in the exhaust after the startup (not afterwards). Once the car starts it drives just fine. The guy who sold me the car informed me that he ran the car to empty tank two days ago and had to fetch 2 gallons in a can to start it again, that is when the problem started.
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When I start the car in the morning & step on the gas there is a fluttering noise which happens each time I accelerate until it warms up. I bought the car with 17,000 miles on it and I didn't notice it happening then, but it was warm weather then.
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My Hyundai Avante (2011 model 1.6) suddenly loses acceleration while my foot is still pressing on the gas pedal. Every time that happens I have to raise my foot from the gas pedal and press it again to make the car accelerate. This thing happens randomly, but mostly at speed lower than 80 Km/h
I tested the car on an empty road once; I didn't raise my foot from the gas pedal this time when the car lost acceleration. The car speed dropped to zero and the RPM gauge returned to idle (i.e. around 1000 RPM).
The check engine never light up during or even after this thing occurs. Here is the list of things the mechanic tried on my car:
1-Cleaned the body throttle
2- Tested the car with another used body throttle
2- Tested the car with another used gas pedal
3-Check the fuel pressure and injection
4- Checked the sparks
5- Tested the car onboard computer.
None of the above worked!!! Here is the strange thing my mechanic discovered, if he unplugs the cable of the Anti-lock braking system in the car. The problem never occurs.
I have been driving the car for two weeks, with the ABS system unplugged. The loss of acceleration problem never happens. I am not sure what the ABS has got to do with the car acceleration.
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Toyota Corolla 93, manual transmission so there was a problem with idling, while it idles, the engine revs up but im not pressing the gas pedal at all. found out it the vacuum hose was broken. we fix it, buy a new one and now the engine dies out. change the air filter. The car still dies out. so the car either dies out or bad idling. what do i do?
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It's a 2003 Mountaineer with a mechanical throttle not drive by wire. For about two weeks while idling in park or in gear but stopped in the drive-thru, the engine revs upwards of 1200-2100 rpm. Runs fine normally, no check engine light, no misfire and doesn't matter if the A/C is on or not.
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