[s-cars] Did my radiator fan kill my battery?

[Lee Levitt]

The older Audis have a thermal switch that controls the after run fan and
pump.

On my 200T, this thermal switch failed, and the after run fan and pump both
ran after every startup, whether or not the engine was hot. With a series of
short trips, the battery would get worn down.

I don't know whether the S cars have this switch...I'd assume so...and this
would be the first place to look. It's not a common failure. In fact, when
the switch went on my 200, it was the first in the country for that year,
and it happened in June!

Lee
'95.5 S6 avant
'96 A6 quattro avant

> -----Original Message-----
> From: s-car-list-admin at audifans.com
> [mailto:s-car-list-admin at audifans.com]On Behalf Of Sandy Sligh
> Sent: Tuesday, May 13, 2003 10:29 AM
> To: s-car-list at audifans.com
> Subject: [s-cars] Did my radiator fan kill my battery?
>
>
> Last evening i was moving stuff from one apartment to
> another, separated by about 1/4 a mile (read: not
> driving very far). I drop off a load at the new place,
> come home, get another load and come outside and the
> electric cooling fan is running. Funny. It wasnt
> anywhere near hot yesterday in Northern VA. so I go
> make another run, come back and shut off the s4. Come
> back out later and the fan is back on again. I go back
> inside for the night thinking it'll just shut off at
> some point. well, came out to go to work this morning
> (the fan wasn't running), turned the key and,
> "clickclickclickclickclickclick". The dome light was
> dim, the radio was barely audible, the instrument
> panel light WERE on as they should be during startup
> but the battery was obviously drained.
>
> Question 1: Why would the electric radiator fan run
> when it shouldn't and could this be an intermittant
> problem? (this is the first time the battery has been
> drained but I've noticed the fan running after shutoff
> a couple of times)
>
> Question 2: Any issues with jump starting? Will those
> selfcontained battery/jumper cable devices be enough
> to jumpstart the AAN?
>
>
> Thanks
>
> S
>
>
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