Author Topic: Testing clutch operation on the bench  (Read 194 times)

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Offline jayson.devries

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Testing clutch operation on the bench
« on: 06 February 2020, 01:49 »
I've just replaced the clutch and throwout bearing in my AutoStick gearbox. Before I put it back in the car I'd like to ensure it is operating properly. So on the bench, in gear, I turn the input shaft by hand and the axle flanges turn. Great!  With the clutch arm and servo arm adjusted, I draw a vacuum with my Mityvac hand pump. The clutch arm pulls all the way with the expected resistance. Now I turn the input shaft and.... the axle flanges are still turning! Hmmm.. ??? (scratches head).
 
Have I assembled something wrong? I'm quite certain the clutch fork was positioned between the clutch cover and the TO when I attached the bell housing - besides, the arm moves with the expected resistance. Am I missing something? Any ideas?
1973 1303 Autostick
1984 930
1985 Iltis

Offline Tom K.

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Re: Testing clutch operation on the bench
« Reply #1 on: 21 February 2020, 22:14 »
My process to reassemble the clutch appears on the bottom of this thread

https://www.thesamba.com/vw/forum/viewtopic.php?t=714131&start=40