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Anyone _successfully_ rebuilt a Bosch mechanical metering unit

In message <VA.00000256.005ed843@maximum-bhp.u-net.com> Chris Wilson writes:

> I have ordered a repair kit,which cost 29 UK pounds with the "gasket 
> set",whatever that may contain.I intend rebuilding it on Saturday,so I will 
> report my luck back to the list.

Well, I hope you get the kit you need.  The one that Audi sell as the metering 
head repair kit is basically just a new system pressure regulation valve, a set 
of shims with which to adjust it, and a few O-rings associated with the valve - 
part number 035 198 685.

They sold me one too, despite the fact that the system pressure valve has been 
stripped out of the MB's metering head and replaced with a separate external 

I'm still trying to find a UK source for the proper rebuild kit including the 

 Phil Payne
 Committee Member, UK Audi [ur-]quattro Owners Club