Audi 90 Quattro 1990, California Edition

[Peter Golledge]

Can't help on sourcing the part... but if you have a large cylinder 
(roughly 10" dia, 3" deep) near the firewall bolted to the master 
cylinder on the drivers you have a vacuum servo.

On 5/30/2013 8:11 AM, Olli wrote:
> If you wonder, my car has spent its early years in California - which 
> is hardly the cause of its brake problems. I have 2 inter-related 
> questions:
> 1. As I am looking for a Master Brake Cylinder, would anybody have a 
> suitable specimen?
> 2. The questions I get, when trying to find a replacement, is whether 
> the braking system is working on vacuum or hydraulic servo. as a 
> non-technical person i do not know the answer. Advice appreciated. Olli
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