Clutch in an automagic transmission?

[healthservices]

Originally Posted by JFP in PA

It is more than a matter of semantics, if you saw the Vette or Doge trans out of the car, they have a torque converter, use pumps to generate pressure, planetary sets, sprags, pawls, and all the other stuff found in all automatic transmissions. If you saw the PDK out of a Porsche, it is not similar to the current seven speed manual, it is the seven speed manual, complete with gears, synchro rings and everything else you would find in a manual gear box, the big difference is that it uses a dual (one of even gears, one for odd) wet clutch system, and everything is controlled by computers, right down to "blipping" the throttle during down shifts.

I wonder how long the Porsche clutches last and if they are replaceable like a torque converter or where the clutch and clutch plates are changed like a automatic