[s-cars] um, help!

[Igor Kessel]

bob.rossato at att.net wrote:
>
> VW and Audi switched to pistons with a couple of notches on the diameter back
> in the early '90s or so.  The UrS cars definitely do not have a hex opening in
> the center.  I don't think any VW/Audi cars do anymore, though I'm sure
> somebody will correct me if I'm wrong.  The retraction mechanism is the same,
> just requires a different tool to grab the piston.
>
> Bob

My '89 200TQ had the two opposing notches.

--
Igor Kessel
two turbo quattros