John, I have rebuilt pumps in stock and the rebuilder is here in Ottawa.  Turn around time is a few days.  No problems here with power steering pumps !
From my > www.frankcondelli.com/sales.htm < webpage > Pump, power steering, rebuilt, AC, 280-283R  -  $187.50                                                                                          

On 2011-08-02, at 7:37 PM, Automatic digest processor wrote:

>  I have been trying to find a ZF power steering pump - remanufacured by
> ZF or otherwise - for some time now. Only a single List Vendor has one,
> and it is priced way out of line in my opinion. However - nobody else
> that I know has them. Outside of the List Vendors the two I tried had
> the online catalog at $125 and $225 respectively. But when I ordered
> from the first, I immediately got a refund and an e-mail saying their
> catalog was in error, they were not in stock, and there was no date by
> which they would get any more. The second sent me a ZF pump (Beck/Arnley
> re-build,  usually pretty reliable in my experience) and it was crap
> from the moment it was installed. Hd to send it back. But they had no
> replacement and did not know when they would be able to get any more.
> 
> So it appears the sources for this PS pump are beginning to dry up. I
> would like very much to know about rebuilding these ourselves. Vane
> pumps are pretty simple in their construction.The vanes get the most
> wear, and should be easily replaceable - if one can get them. Bus Depot
> and others sells the seal kit - but the vanes availability are another
> issue.
> 
> I have accumulated 5 pumps now - all crap!  Surely there must be a way.

Cheers,    

Frank Condelli
Almonte, Ontario, Canada
'87 Westy & Lionel Trains (Collection for sale)
Frank Condelli & Associates - Vanagon/Vanagon Westfalia Service in the Ottawa Valley
Vanagon Stainless Steel Exhaust Systems
BusFusion a VW Camper camping event, Almonte, ON, June 09 ~ 12, 2011