you should get 25hg and above from the pump at idle.at the Tcg at the block it should be the same figure on the inlet and the outlet at idle when you press the throttle at the out let that figure goes down from 25 hg as the vanes close.
https://www.youtube.com/watch?v=0Wn1eyo_FLY
vac on the left 
mike
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2012 volvo xc90 Executive
Buccaneer Bermuda 2021
Last edited by outnumbered; May 16th, 2014 at 13:35.
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