Simon Forsey
If you have it, a great way of testing is by using a Pico scope and a WPS500 pressure testerin the oil dip stick hole.
This kit will graphically see the actual running pressure.
I am not sure if there is another reliable way of checking, maybe on of the other techs on here will have more ideas.
Regards
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Audi A4 ALT 2002 - Crank case pressure # - Sam Green September 29, 2011, 9:23 am
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on September 29, 2011, 9:37 am, in reply to "