Diff lock actuators: anyone has repaired the small rubber bootyet ?

[Tom Love]

iirc MBZ door lock servos of a certain vintage can be modded to work just 
fine. Maybe search the archives.

----- Original Message ----- 
From: "Huw Powell" <audi at humanspeakers.com>
To: "Louis-Alain Richard" <laraa at sympatico.ca>
Cc: <urq at audifans.com>; <quattro at audifans.com>
Sent: Thursday, August 24, 2006 12:20 PM
Subject: Re: Diff lock actuators: anyone has repaired the small rubber 
bootyet ?


>> Both diff lock actuators (857 711 995A) on my car suffer from a leak at
>> the little rubber boot. The diaphragm is OK, as well as the plastic body
>> and both vacuum nipples. Audi wants 255$ for each one.
>>
>> So anyone has an idea how can we re-seal the plunger with the body ?
>>
>> The OEM setup is a very thin and supple rubber boot that slips over a
>> 15mm plastic tube at one end, to a 3mm shaft at the other end. Overall
>> length is 30mm. The stroke of the plunger is 20mm, so the small end fits
>> into the big end when compressed.
>
> How close are the "boots" that are part of late 80's/early 90's power
> door lock actuators?
>
> -- 
> Huw Powell
>
> http://www.humanspeakers.com/audi
>
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