[s-cars] electric cooling fan operation

[Cody Forbes]

I'm not 100% certain on an S4, but generally with every Audi I've seen the 
fan runs on low speed any time the A/C is on. Medium and high are 
temperature based on demand.

-Cody

--------------------------------------------------
From: "ron kirkham" <rkaudifool at gmail.com>
Sent: Thursday, July 21, 2011 1:04 PM
To: "s-car-list" <s-car-list at audifans.com>
Subject: [s-cars] electric cooling fan operation

> So yesterday I had my '93 S4 idling next to my idling '95.5 S6A. Both had
> the A/C on at the time and I noticed that the S4's electric cooling fan 
> was
> not running and the S6A's was. Both cars were cold as this was early AM,
> maybe 60f. What should be happening when the A/C is on and when 
> does/should
> the fan(s) kick into high?  I drove the S4 later in the day, about 90f and
> still no fans with A/C on.
>
> I'm wondering if my S4's fans have ever worked correctly since I don't
> recall the fan EVER kicking into high mode. I've never had cooling 
> problems
> on the S4, but since I bypassed the leaking heater core last month, it has
> been running a little hotter. Just past the fat mark at 11:00 on the dial
> and hotter yet when not moving.
>
> I recall a test for the switch by jumping the posts?, but can't find the
> info I thought I had saved.
>
> Info. appreciated.
>
>
> Ron
> '93 S4 248.5k
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