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patssle · 03-13-2015, 04:17 PM

Some vacuum is normal on the oil fill cap. If you can test the pressure - normal is 5 inches. They say if AOS is bad then there is a ton of vacuum.

Also don't run the engine much if you can - they say too much oil coming from a failed AOS can ruin it.

03-13-2015, 04:17 PM	#8
patssle Registered User Join Date: Jan 2013 Location: Houston Posts: 370	Some vacuum is normal on the oil fill cap. If you can test the pressure - normal is 5 inches. They say if AOS is bad then there is a ton of vacuum. Also don't run the engine much if you can - they say too much oil coming from a failed AOS can ruin it. __________________ DD summer/winter: 2000 Boxster S DD spring/fall: 914-6 w/ 3.0L SC Dual Webers http://imgur.com/a/k0Wtl - My 914-6 Build/Project Story Last edited by patssle; 03-13-2015 at 04:20 PM.