Quote:
Originally Posted by DPW928
It's on the rear drivers (oops) side of the fuel distributor. Look for a brass hex head and carefully remove it. Look for a small o ring on the end. If it is damaged, nicked, split, missing etc it can allow pressure to bleed off the WUR. BTW don't mess with the washer type spacers on the relief valve as they are what sets the system pressure, which is in spec.
Another possibility is that you are connecting the test gauge to the wrong port on the WUR. Carefully track the lines and make sure you are connecting to the line that goes to the top center of the fuel distributor. This would also explain why the fittings aren't appropriate.
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I'm pretty sure the gauge set is hooked up correctly. See
http://forums.pelicanparts.com/porsche-928-technical-forum/536203-calibrating-wur-2.html
(page 2 of this thread) for pics of how I have it connected.