[s-cars] Project S6 on the road again in Pittsburgh

[Andy Schor]

I actually figured (now confirmed by you) that the fan was heat/viscosity 
motivated, I did not remember the term, 'dilatantic'  I drove the car for 
about 20 minutes (ambient ~85*F), showing  normal 12 o'clock on the temp 
gauge.  I opened the hood and confirmed operation of the A/C fan but the 
main fan seemed to be lollygagging, as if I could stop it with my hand. 
Judgement being relative, I discovered that was true.

Since the head was rebuilt I figured all the ancillary bits were new, 
apparently not.

A new fan has been ordered, finally something to replace that is actually 
accessable.

Thanks,

Andy

----- Original Message ----- 
From: "Peter Golledge" <petergolledge at gmail.com>
To: "'Andy Schor'" <walbum1 at verizon.net>; "'Airbil'" <airbil at gmail.com>; 
<s-car-list at audifans.com>
Sent: Sunday, August 15, 2010 5:07 PM
Subject: RE: [s-cars] Project S6 on the road again in Pittsburgh


> Andy,
>
> The main fan clutch has a fluid which thickens with an increase in
> temperature (dilatantic if I remember my chemistry of old). Best to test
> once you've been for a drive in some heat and with a relatively high air
> temp.  These clutches are a relatively common failure item once you get 
> 150K
> miles+.  There is not a massive amount of resistance on the clutch though 
> as
> this fan is drive off the "back" side of the serpentine and doesn't push a
> huge amount of air.  Relatively easy to replace at least!
>
> -----Original Message-----
> From: s-car-list-bounces at audifans.com
> [mailto:s-car-list-bounces at audifans.com] On Behalf Of Andy Schor
> Sent: Sunday, August 15, 2010 11:33 AM
> To: Airbil; s-car-list at audifans.com
> Subject: Re: [s-cars] Project S6 on the road again in Pittsburgh
>
> Absolutely correct Bill.  The supplemental fan (A/C) works but I can hold
> the main fan still without much resistance.  I also just noticed that even
> though I turned off the HVAC fby  pressing fan speed (-) until the head
> shuts off, the next time I start the car, the HVAC is on.  Is that normal?
> This is my first C4, I've been driving type 44s for years.  Which brings 
> me
> to my next observation, the power steering is *much* more assisted in the 
> S6
>
> than the 200.  Is that the servotronic?  Just something else to get used 
> to,
>
> I suppose.
>
> Lessons learned indeed, thanks for the benefit of your experience.
>
> Andy
>
> ----- Original Message ----- 
> From: "Airbil" <airbil at gmail.com>
> To: <s-car-list at audifans.com>
> Cc: <walbum1 at verizon.net>
> Sent: Saturday, August 14, 2010 5:17 PM
> Subject: [s-cars] Project S6 on the road again in Pittsburgh
>
>
>> Andy,
>> You probably need to replace the fan clutch and electric fan and possibly
>> the blown, mother of all fuses, fuse for the electric fan, drivers side
>> left kick panel.
>> Good luck, stay cool.
>> Bill~w/lessons learned~m
>>
>>
>>                             ~ via airmobil 2 ~
>
>
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