[s-cars] Wastegate Frequency Valve (N75)

[Mark Strangways]

As debated..
There can be some negative (relative to atmosphere) pressure applied to the 
bottom chamber of the wastegate from the intake stream, this will be present 
from the correct operation of the WGFV.
So, you may want to connect that port (WG) to the turbo intake side of the 
WGFV.

Mark
----- Original Message ----- 
From: "chris chambers" <fastscirocco_2000 at yahoo.com>
To: "Kevin Barnett" <bluevr6 at yahoo.com>; "s-car-list" 
<s-car-list at audifans.com>
Sent: Wednesday, September 06, 2006 8:40 PM
Subject: Re: [s-cars] Wastegate Frequency Valve (N75)


> The N75 is connected to the wastegate via a hose with a bango
> bolt. Use I believe a 17mm wrench and loosen the bango bolt, if I
> recall correctly this should give you full boost.
>
> If the boost increases then you probably have a bad n75 valve.
>
>
>
>
> --- Kevin Barnett <bluevr6 at yahoo.com> wrote:
>
>> HI oh Guru's of the AAN:
>>
>> I am still chasing my boost leak / 5 psi issue.
>>
>> If I unplug the N75, I get teh same behaviour as if
>> plugged in.  As I am running a second used valve
>> provided by a friend through my mechanic (thanks Rob),
>> if I jump across the wire connectors, will it override
>> the valve circuit so that I can run the car briefly to
>> see if the valve failed?
>>
>> Ideas, suggestions, incantations appreciated.
>>
>> Thanks,
>> Kevin
>> 94 S4 - not happy.
>>
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>
>
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>
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