Air vent noise

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Shorum
Posts: 76
Joined: Sat Feb 19, 2011 6:47 pm
I drive a: GT 2.0 TSI
In: Shadow Blue
With a: Manual box
Options: Dynaudio
Location: Swansea

Air vent noise

Post by Shorum »

I've noticed a sound coming from the air vents. It's a whistle/air flow sound. At first I thought it was just the air con, but it's still there even of I turn the air con/ fan off. The noise quietens when the brake pedal is depressed.
Any ideas what the sound is?
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carlpea
Posts: 168
Joined: Sat Oct 15, 2011 10:44 am
In: Reflex Silver
With a: Manual box

Re: Air vent noise

Post by carlpea »

Are you sure it's not the turbo?
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chrisyboyc
Posts: 222
Joined: Sun Oct 25, 2009 1:54 pm
I drive a: GT 2.0 TDI 170/184
In: Candy White
With a: DSG box
Options: Leather,Criuse Control, Dynaudio possible RS6 alloys if i have cash

Re: Air vent noise

Post by chrisyboyc »

its just air coming through the vents as you drive i would imagine. even with the air con off air still come through
If you see S9 CTC driving around give us a wave I do 40,000 miles a year it gets lonely out there
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Cuprabob
Posts: 5036
Joined: Sat Aug 07, 2010 2:31 pm
I drive a: GT 2.0 TDI 170/184
In: Rising Blue
With a: Manual box
Options: Panoramic Roof, 19" Black Luganos, Vienna Leather, Parking Sensors, DAB, Dynaudio, Bluetooth, Cruise, Folding Mirrors, Xenons
Location: S/W Scotland

Re: Air vent noise

Post by Cuprabob »

To prove it's air coming through the vents just manually direct all airflow to the floor closing off the dash vents
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User avatar
Shorum
Posts: 76
Joined: Sat Feb 19, 2011 6:47 pm
I drive a: GT 2.0 TSI
In: Shadow Blue
With a: Manual box
Options: Dynaudio
Location: Swansea

Air vent noise

Post by Shorum »

I'll give that a go. What I don't get is that it's not speed dependant. It switches off, or slows, when the brake is applied, which makes me think it's powered. Or am I just not controlling the airflow correctly by pressing off? It's an '09 2.0tsi
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User avatar
Shorum
Posts: 76
Joined: Sat Feb 19, 2011 6:47 pm
I drive a: GT 2.0 TSI
In: Shadow Blue
With a: Manual box
Options: Dynaudio
Location: Swansea

Air vent noise

Post by Shorum »

It's not coming from my air vents. It's coming from the brake pedal. The pedal hisses when it is depressed. Is this a leak in the braking system, or is it normal?!
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User avatar
Shorum
Posts: 76
Joined: Sat Feb 19, 2011 6:47 pm
I drive a: GT 2.0 TSI
In: Shadow Blue
With a: Manual box
Options: Dynaudio
Location: Swansea

Air vent noise

Post by Shorum »

Turns out it was a leaking brake servo - new part on order, car is staying in over night and it'll be fixed under warranty. I just called in to Sinclair Vw Swansea and they looked at it there and then.
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