Supercharger/PCV Vent Tube - Audi 3.0T
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OEM - Audi/VW Product Description
This vent tube is located on top of the oil separator/PCV assembly in the valley of the engine block. The opposing end attaches to the bottom of the supercharger for proper ventilation. If replacing your oil separator/pcv, it's always a good idea to inspect and replace, if necessary, any components that look worn or brittle to avoid future repeat tear-downs.