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GH85Carrera GH85Carrera is online now
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Join Date: Nov 2007
Location: Oklahoma
Posts: 86,336
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Tim, the old original rubber hoses are non barrier hoses. They will always leak. The only cure is to replace them with barrier hoses. And holding a vacuum foor a while is not a real test. Air pressure is just 14.7 PSI. Not much of a pressure test. The G body 911s have about 27 feet of hose and multiple components. A pruge with nitrogen to 75 to 100 PSI and a long vacuum pull to get to under 100 microns is really needed to rid the system of moisture.
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Glen
50 Year member of the Porsche Club of America
1985 911 Carrera; 2017 Macan
1986 El Camino with Fuel Injected 350 Crate Engine
My Motto: I will never be too old to have a happy childhood!

Last edited by GH85Carrera; 06-24-2024 at 06:30 AM..
Old 06-24-2024, 05:55 AM
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