Quote:
Originally Posted by GH85Carrera
Tim, the old original rubber hoses are non barrier hoses. They will always leak. The only cure is to replace them with barrier hoses.
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Yep.... That said, old r12 hoses soak up oil over the years and do not leak typically as much as newer r12 hoses.
Back when I did this 19 years ago, it would typically need about a can every summer which was no big deal for me and much cheaper/easier than replacing all the hose snaked through a 911SC (front AND rear condensers and evaporator). 
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German autos: '79 911 SC, '87 951, '03 330i, '08 Cayenne, '13 Cayenne
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Men do not quit playing because they get old.... They get old because they quit playing.
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