Papa wrote:
>
> Hi Randolph:
>
> Thank you for a very definitive answer. When I purchased this car a few
> weeks ago it did not have the reservoir, but at least the vacuum line going
> to it was capped off, and everything seems to work just fine. I haven't
> tried the A/C yet, its still winter here. Anyway, I showed the car to my
> local VW service manager and he did not seem to think that its absence was
> much of a detriment. I have looked just about everywhere for a replacement
> reservoir, including Ebay, but no luck so far.

Head to the local junk yard. The same vacuum tank (part number 321 820
601) was used in the cabriolet from around 1984 through around 1993, so
it should be easy to find one.