a4 Turbo Whisle
08-10-2009 | 11:48 PM
#1
Thread Starter
Audi Forum - Posts like an A4
Joined: Feb 2009
Posts: 195
From: Waterloo
a4 Turbo Whisle
Hey folks,
Have a weird issue, under boost, I get a loud whistle...I can hear it in the cabin, and I'd bet money it wasn't there before. I only have 37000km, and the PCV valve checks out...any ideas guys?
I also get a slight LURCH from 3000rpm onwards...not so much before...
Have a weird issue, under boost, I get a loud whistle...I can hear it in the cabin, and I'd bet money it wasn't there before. I only have 37000km, and the PCV valve checks out...any ideas guys?
I also get a slight LURCH from 3000rpm onwards...not so much before...
08-11-2009 | 07:18 AM
#2
Audi Forum - Posts like a TT
Joined: Feb 2008
Posts: 696
From: waterloo
Re: a4 Turbo Whisle
i would have to see it in person, but your N75 valve could be gone causing the boost to come on harsh at 3000k.
the spool on the other hand, if comming from the turbo, could be the turbo over spooling...
let me know when your free, we can take a look...Juren and i are getting together for beer tonight, he drives the done up S4 in town.
the spool on the other hand, if comming from the turbo, could be the turbo over spooling...
let me know when your free, we can take a look...Juren and i are getting together for beer tonight, he drives the done up S4 in town.
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