[BiturboS4] It Was 99 Degrees Here In The NE Part Of The USA and I Noticed Something........

[j y]

--
[ Picked text/plain from multipart/alternative ]
yep - that's what i'm talking about.
my fan almost NEVER came on prior to my turbo replacement.
Now, it does after every hard run just like my Porsche.
I can actually hear the 'after-run pump' on my Porsche circulating coolant =
and the radiator fans (the Porsche has 2 small fans).
I will take your word that the after-run pump on my S4 was (and is) working=
 even though i could not hear the coolant circulation like the Porsche.
To me, like the slogan states: "Porsche Accept No Substitute".
I still like my re-turbo(ed) S4, but it aint "rock solid" like a Porsche.

jy


"James M. De Arras" <jmd at westlab.com> wrote:


v\:* {behavior:url(#default#VML);}o\:* {behavior:url(#default#VML);}w\:* {b=
ehavior:url(#default#VML);}.shape {behavior:url(#default#VML);}
jy,



The pump and the fan are two different functions.  The pump always runs, re=
gardless of temp; but the fan should only run if needed, i.e., coolant is t=
oo hot.

I also assume you mean one of the fans in front of the radiator, I am not a=
ware of any cooling fan specific for the turbos.



Jim



-----Original Message-----
From: j y [mailto:jimnetpa at yahoo.com]
Sent: Wednesday, July 09, 2003 1:36 PM
To: James M. De Arras; biturbos4 at audifans.com
Subject: RE: [BiturboS4] It Was 99 Degrees Here In The NE Part Of The USA a=
nd I Noticed Something........



Hi Jim,





Thanks for the feedback.





Yes, I am familair with the "after-run pump" because I also own a Porsche 9=
51 (944 turbo) and the "after-run pump" operation is very evident (from the=
 fan noise).





I did not experience this after-run fan noise with my S4 prior to blowing a=
 turbo and having them replaced by AoA. Since AoA replaced the originals tu=
rbos with upgraded K03s the fan noise from the after-run pump is VERY evide=
nt.





Personally, I don't believe that the temperature setting for the after-run =
pump was set correctly when my car originally left the factory. Again, the =
fan noise from my S4 after-run pump is very evident now (just like my Porsc=
he) where it was non-existent (IMO) be4.





Stays on VERY long after hard runs and is VERY loud (can hear it from insid=
e my house (windows open) when the car is parked at the curb outside - just=
 like my Porsche).





jy





00 S4 Imola Upgraded K03s


86 951 Porsche




"James M. De Arras" <jmd at westlab.com> wrote:


I believe the after-run pump runs every time the engine is shut down.
It is quiet, normally, and you should not really hear it.

Jim

-----Original Message-----
From: j y [mailto:jimnetpa at yahoo.com]
Sent: Wednesday, June 25, 2003 11:43 PM
To: biturbos4 at audifans.com
Subject: [BiturboS4] It Was 99 Degrees Here In The NE Part Of The USA
and I Noticed Something........

--
[ Picked text/plain from multipart/alternative ]
Ever since my original K03 turbos and intercoolers were replaced by AoA,
my "after-run pump/fan" has been coming on after a hard run or high
outside temperature.

This NEVER happened with my original K03s. I suspect the dealer put the
correct temperature switch in the engine when they replaced the blown
K03s because many items were replaced along with the turbos &
intercoolers - at no charge to me.

Like I said - prior to this - I NEVER heard the after-run pump/fan, no
matter how hard I ran my S4. The fan/pump is VERY NOTICEABLE now.






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