Ok. short explanation:
The clutch pedal spring should bring back the clutch bearing in front (Front
is front/ transmission side), moving him away from the clutch basket when
the pedal is not press...
That pressure bearing is NOT design to always touch the basket (Pressure
plate if you like) in normal driving condition, but only when the clutch
pedal is pressed...

The system is hydrolic, so this is basically a push pull situation...the
basket is not suppose to be the one pushing that bearing, this bearing
should be free and not touching the basket when the pedal is not push, fully
on the transmision side and not the basket side.

But lately, on 3 vans...that bearing is way out of is shaft (rear when it
should be in front!!!), pedal spring is ok, so basicaly i have to push the
engine/clutch in the tranny wile the bearing is out and should be in, in
other words, pushing the bearing in with the clutch basket when it should
already be IN!!!!!, that mean that the basket is pushing the bearing in.
Hard to explain witout a picture but i hope you understand.

My conclusion: Air in the clutch hydro line or faulty clutch rear valve/piston!
Something is wrong there, that bearing wile wear out to fast if it's
spinning all the time..

Anyone with an answer to my question....am waithing!!!

Cheers, Ben
http://www.benplace.com/vanagon_engine6.htm