[s-cars] How does EDL work?

[matt ludwig]

from our ouw Keith from a while back:

http://tinyurl.com/43467

matt ludwig.
1995.5 S6 Avant
Lima, Peru


On 1Mar , 2006, at 9:06 AM, Mark Strangways wrote:

> EDL, electronic differential locking, works thru the ABS unit.
>
> Much like anti lock brakes but in reverse.
> If it sees one wheel going faster than the other (on the same axel)  
> it will
> apply braking pressure to that wheel.
> More torque will then go to the other wheel, it has it's  
> limitations but
> that is about it in a nutshell.
>
> I do not know if it has the same affect on the front axel or not.
>
> HTH's
>
> Mark
> ----- Original Message -----
> From: <henryb at aciworldwide.com>
> To: <s-car-list at audifans.com>
> Sent: Wednesday, March 01, 2006 8:38 AM
> Subject: [s-cars] How does EDL work?
>
>
>> I just purchased a 1997 S6 and I understand that it uses an  
>> Electronic
>> Locking mechanism for the Rear Differential Lock.  On many of my  
>> previous
>> quattro's: '92 S4, '95 A6, '90 CQ, '88 5K TQW, they all had some  
>> manual
>> mechanism to lock the differential.  I have not seen any good  
>> technical
>> write-up on exactly how does the EDL work.  Does anyone know of a  
>> good
>> tech white paper on the web that describes this system well?  I  
>> have also
>> heard that later EDL systems work on both Front and Rear  
>> Diff's???  Is
>> that different then the system that I have on my S6?  Any feedback  
>> would
>> be appreciated.
>>
>> Thanks,
>> Brent.
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>
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