Turbo Noise
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Junior Member
Joined: Jul 2010
Posts: 1
Turbo Noise
Can anyone Help?
I have had my TT for over 2 years now and not really had any issues with it. But now I want to sell it the Turbo has started making a different noise to normal. Power hasn’t been affected and the turbo kicks in at the usual RPM but the problem is the noise.
For the last 2 years it has made a sort of hissing noise like its releasing pressure which I guess is normal but now it sounds like hydraulics moving.
Has anyone any ideas?
I have had my TT for over 2 years now and not really had any issues with it. But now I want to sell it the Turbo has started making a different noise to normal. Power hasn’t been affected and the turbo kicks in at the usual RPM but the problem is the noise.
For the last 2 years it has made a sort of hissing noise like its releasing pressure which I guess is normal but now it sounds like hydraulics moving.
Has anyone any ideas?
2nd Gear
Joined: Oct 2006
Posts: 1,362
From: Columbus, GA
Can anyone Help?
I have had my TT for over 2 years now and not really had any issues with it. But now I want to sell it the Turbo has started making a different noise to normal. Power hasn’t been affected and the turbo kicks in at the usual RPM but the problem is the noise.
For the last 2 years it has made a sort of hissing noise like its releasing pressure which I guess is normal but now it sounds like hydraulics moving.
Has anyone any ideas?
I have had my TT for over 2 years now and not really had any issues with it. But now I want to sell it the Turbo has started making a different noise to normal. Power hasn’t been affected and the turbo kicks in at the usual RPM but the problem is the noise.
For the last 2 years it has made a sort of hissing noise like its releasing pressure which I guess is normal but now it sounds like hydraulics moving.
Has anyone any ideas?
Junior Member
Joined: Jul 2010
Posts: 28
From: turn 9
is the hissing noise heard only in boost mode?
yes= possible cracked or ruptured boost side hoses
no=
then check for vacuum leaks in the pcv system/hoses under inlet manifold.
A brush and soapy water might be your friend.
yes= possible cracked or ruptured boost side hoses
no=
then check for vacuum leaks in the pcv system/hoses under inlet manifold.
A brush and soapy water might be your friend.
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