[urq] Correct "technical" name for hydraulic part

[Tony Lum]

At 11:27 AM 7/19/2005 +0200, Maurits Jonkergouw wrote:

>What is the correct technical name for the "valve block" P/N 857 612 063 A 
>- this is where the (WR) brake accumulator, aka bomb houses -
>
>Unfortunately many people refer to "brake pressure regulator" when they 
>mean "proportioning valve" and this widly extends my search results on the 
>Audifans archive...
>
>I would like know if the mentioned "valve block" could be rebuilded 
>because the dealer quotes a HUGE amount of money for it.
>
>Thanks
>--
>.................................................................
>Regards,
>Maurits
>.................................................................
>'86 quattro GV (WR)
>'85 coupé KV
>'82 coupé DD
>.................................................................

Hi Maurits,

Page 42 of the IST document (WSP 451 556 00) refers to it as a "Flow 
regulator with Pressure accumulator".  Pages 44, 48 and 49 give a detailed 
description of operation.  From the looks of it, you could possibly rebuild 
it if you can disassemble it and find all the O rings that seal the various 
chambers.  Perhaps a good cleaning will restore its function.  If not, you 
might consider switching to a vacuum assist unit from coupe GT or others.

HTH,

Tony
'83 urq #302


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