[s-cars] Viscous fan clutch failure?

[Mark Strangways]

What's wrong with electric fans.
I guess other than the weight of the motor.

I just saw Audi Canada's wrecked (at Mosport) 2007 S8 V10 (5.2 l) it has one electric fan left... 
Gonna see how it will fit.
Anyone want an S8 interior, or motor ? What is left of the car is all for sale

Mark
  ----- Original Message ----- 
  From: djdawson2 at aol.com 
  To: josh at spiny.com ; StrangConst at rogers.com ; S-CAR-List at audifans.com 
  Sent: Friday, May 11, 2007 7:06 PM
  Subject: Re: [s-cars] Viscous fan clutch failure?


  Still yet, the best solution is the fan clutch that is activated much like the A/C clutch.  No engagement at all when not required, and then full engagement when needed.

  Haven't seen that on cars yet.

   
  -----Original Message-----
  From: josh at spiny.com
  To: StrangConst at rogers.com; S-CAR-List at audifans.com
  Sent: Fri, 11 May 2007 4:33 PM
  Subject: Re: [s-cars] Viscous fan clutch failure?


Mark, that might be true on old cars without modern fan clutches, but  
the clutch is there to keep the fan from robbing too much power, and  
also to keep the noise down.  The idea is that the hotter the air  
gets around the fan, the more air it moves.  Plus, a viscous clutched  
fan is able to move much more air than an electric fan, and more  
reliably too. They're not without their problems, but they do have  
some important advantages over electric fans.

On May 11, 2007, at 8:36 AM, Mark Strangways wrote:

> Yank that sucka outta there and put in an electric.
> Good for about 30-50 HP... Dyno proven
>
> Mark
> ----- Original Message -----
> From: "Peter Golledge" <petergolledge at gmail.com>
> To: <s-car-list at audifans.com>
> Sent: Friday, May 11, 2007 9:05 AM
> Subject: [s-cars] Viscous fan clutch failure?
>
>
>> Folk,
>>
>> My wife reported some unusual noise from her 95 S6 and no A/C.  I  
>> check
>> out
>> the car last night... everything seems fine.  Get it up to  
>> operating temp
>> with a drive, still no problems.  Looking at the primary fan I see it
>> turning maybe 60 rpm with the engine idling.  Stops with the touch  
>> of bit
>> of
>> plastic scrap.  No huge play in the clutch but I suspect its  
>> dead.    Any
>> BTDT on the list?
>>
>> With the fan blades off I can easily get a big 32" spanner on the  
>> clutch.
>> Anyone removed it by holding the pulley with rubber filter strap or
>> similar?
>>
>> Regards
>> -- 
>> Peter Golledge
>>
>> 95 S6, 89 200TQA, 87 LT-1Q, 1979 930
>> _______________________________________________
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>> S-CAR-List at audifans.com
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>>
>
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