Bypass Valve help...
07-06-2004, 10:07 PM
#11
Guest
Posts: n/a
Re: Still need Bosch Sport 110 Part #
The Bosch 110 is exactly the same as the Audi 710N - also used in SAAB
Viggen. See this link
http://www.s4biturbo.com/art-dvtests.shtml
Tony
96 S6
"imquattro" <persing@copper.net> wrote in message
news:40ea01e2_5@newsfeed.slurp.net...
> >
> > I have been told by my Audi specialist that surging can occur if the
> > wastegate diaphragm is leaking. Is that any help?
> >
> > --
> > IRL
> >
> > UK 1989 Audi 200 TQ Avant (1B, full leather, hydraulic suspension)
223,000
> > miles and counting.........
> >
>
> Well, I would have too agree with that theory. When the valve is taken
> completely out of the system, there is no surging during throttle decrease
> under boost. There used to be an audible "stssssssssss" when the bypass
> valve actuated, now there isn't.
>
> I still need the part number for the Bosch Sport 110.
> Or if anyone has a forged valve they want to sell....??
> Thanks,
> Nate
>
>
Viggen. See this link
http://www.s4biturbo.com/art-dvtests.shtml
Tony
96 S6
"imquattro" <persing@copper.net> wrote in message
news:40ea01e2_5@newsfeed.slurp.net...
> >
> > I have been told by my Audi specialist that surging can occur if the
> > wastegate diaphragm is leaking. Is that any help?
> >
> > --
> > IRL
> >
> > UK 1989 Audi 200 TQ Avant (1B, full leather, hydraulic suspension)
223,000
> > miles and counting.........
> >
>
> Well, I would have too agree with that theory. When the valve is taken
> completely out of the system, there is no surging during throttle decrease
> under boost. There used to be an audible "stssssssssss" when the bypass
> valve actuated, now there isn't.
>
> I still need the part number for the Bosch Sport 110.
> Or if anyone has a forged valve they want to sell....??
> Thanks,
> Nate
>
>
07-10-2004, 05:50 AM
#12
Guest
Posts: n/a
Re: Bypass Valve help...
I swapped my 02 A4's with a Hyperboost.
--Cesar
On Sat, 3 Jul 2004 12:46:21 -0400, "imquattro" <persing@copper.net>
wrote:
>This is for a modified 5KTQ setup and the 0-280-142-102 (borsch number on
>the current NEW valve) seems too weak. The spring doesn't seem strong
>enough. When the throttle is decreased slowly while under boost
>(1.3-1.8bar+) the car lurches as if the valve is completely dumping then
>snapping shut again. The current valves have not worked by themselves (ie.
>w/o the vacuum hose attached) The car will not make 1.2 bar as if the boost
>is leaking by the valve. In that setup, the system should be sealed and
>acting as if there is no bypass valve present. Seems that unless there is
>boost present in the vacuum actuator line, the valve will not stay shut
>under high boost situations. The current valve is brand new out of the box
>and replaced a thought-to-be faulty valve of the same number.
>
>Any ideas?
>
>Thanks,
>Nate
>
>email @ persing@copper.net or respond to group.
>
>"imquattro" <persing at copper dot net> wrote in message
>news:40e6dec7_1@newsfeed.slurp.net...
>> Hello, I need the part number for the Bosch Sport 110 bypass valve.
>>
>> Thanks,
>>
>> Nate
>>
>>
>
=
= Cesar Borgia
=
--Cesar
On Sat, 3 Jul 2004 12:46:21 -0400, "imquattro" <persing@copper.net>
wrote:
>This is for a modified 5KTQ setup and the 0-280-142-102 (borsch number on
>the current NEW valve) seems too weak. The spring doesn't seem strong
>enough. When the throttle is decreased slowly while under boost
>(1.3-1.8bar+) the car lurches as if the valve is completely dumping then
>snapping shut again. The current valves have not worked by themselves (ie.
>w/o the vacuum hose attached) The car will not make 1.2 bar as if the boost
>is leaking by the valve. In that setup, the system should be sealed and
>acting as if there is no bypass valve present. Seems that unless there is
>boost present in the vacuum actuator line, the valve will not stay shut
>under high boost situations. The current valve is brand new out of the box
>and replaced a thought-to-be faulty valve of the same number.
>
>Any ideas?
>
>Thanks,
>Nate
>
>email @ persing@copper.net or respond to group.
>
>"imquattro" <persing at copper dot net> wrote in message
>news:40e6dec7_1@newsfeed.slurp.net...
>> Hello, I need the part number for the Bosch Sport 110 bypass valve.
>>
>> Thanks,
>>
>> Nate
>>
>>
>
=
= Cesar Borgia
=
07-10-2004, 05:50 AM
#13
Guest
Posts: n/a
Re: Bypass Valve help...
I swapped my 02 A4's with a Hyperboost.
--Cesar
On Sat, 3 Jul 2004 12:46:21 -0400, "imquattro" <persing@copper.net>
wrote:
>This is for a modified 5KTQ setup and the 0-280-142-102 (borsch number on
>the current NEW valve) seems too weak. The spring doesn't seem strong
>enough. When the throttle is decreased slowly while under boost
>(1.3-1.8bar+) the car lurches as if the valve is completely dumping then
>snapping shut again. The current valves have not worked by themselves (ie.
>w/o the vacuum hose attached) The car will not make 1.2 bar as if the boost
>is leaking by the valve. In that setup, the system should be sealed and
>acting as if there is no bypass valve present. Seems that unless there is
>boost present in the vacuum actuator line, the valve will not stay shut
>under high boost situations. The current valve is brand new out of the box
>and replaced a thought-to-be faulty valve of the same number.
>
>Any ideas?
>
>Thanks,
>Nate
>
>email @ persing@copper.net or respond to group.
>
>"imquattro" <persing at copper dot net> wrote in message
>news:40e6dec7_1@newsfeed.slurp.net...
>> Hello, I need the part number for the Bosch Sport 110 bypass valve.
>>
>> Thanks,
>>
>> Nate
>>
>>
>
=
= Cesar Borgia
=
--Cesar
On Sat, 3 Jul 2004 12:46:21 -0400, "imquattro" <persing@copper.net>
wrote:
>This is for a modified 5KTQ setup and the 0-280-142-102 (borsch number on
>the current NEW valve) seems too weak. The spring doesn't seem strong
>enough. When the throttle is decreased slowly while under boost
>(1.3-1.8bar+) the car lurches as if the valve is completely dumping then
>snapping shut again. The current valves have not worked by themselves (ie.
>w/o the vacuum hose attached) The car will not make 1.2 bar as if the boost
>is leaking by the valve. In that setup, the system should be sealed and
>acting as if there is no bypass valve present. Seems that unless there is
>boost present in the vacuum actuator line, the valve will not stay shut
>under high boost situations. The current valve is brand new out of the box
>and replaced a thought-to-be faulty valve of the same number.
>
>Any ideas?
>
>Thanks,
>Nate
>
>email @ persing@copper.net or respond to group.
>
>"imquattro" <persing at copper dot net> wrote in message
>news:40e6dec7_1@newsfeed.slurp.net...
>> Hello, I need the part number for the Bosch Sport 110 bypass valve.
>>
>> Thanks,
>>
>> Nate
>>
>>
>
=
= Cesar Borgia
=
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