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

[James M. De Arras]

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jy,

The pump and the fan are two different functions.  The pump always runs,
regardless of temp; but the fan should only run if needed, i.e., coolant
is too hot.
I also assume you mean one of the fans in front of the radiator, I am
not aware 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 and I Noticed Something........

Hi Jim,

Thanks for the feedback.

Yes, I am familair with the "after-run pump" because I also own a
Porsche 951 (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 turbos with upgraded K03s the fan noise from the after-run
pump is VERY evident.

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 Porsche) where it was non-existent (IMO) be4.

Stays on VERY long after hard runs and is VERY loud (can hear it from
inside 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........

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	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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