Passat Wagon L4-2.0L Turbo (BPY) (2008)
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Close the valves - 3 and 4 -.
‹› In order to be able to turn the pressure regulator valve - 2 -, the knob must be pulled upward.
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Connect the (V.A.G 1687) as shown.
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Connect a pressurized air hose - 1 - (compressed air supply) to the (V.A.G 1687).
‹› If water is located in the viewing glass, drain it via the water drain plug - 6 -.
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Open the valve - 3 -.
