4 hours of repair and $500 later ...Clarification !

[John Larson]

 ...............snip..................."The only real part is the internal 
diaphram which is about
>  $60 from Rod at thepartsconnection.com or Scott Mockery
>  (where I got mine - still in the box :-)) at sjmautotecnik.com?"
>  -Scott by BOSTON...................snip..............................
FWIW, and it IS worth something, the part number is 035 145 797B, and the 
current dealer list price is $48.77.  (The price has gone up; they used to 
be around 30 bucks.)  Still in the price book, and still available.  I keep 
one in stock here at the shop, and they can easily be ordered from any Audi 
dealer if you furnish them with the P/N.  John