TT Roadster L4-2.0L Turbo (BPY) (2008)
‹› In order to be able to turn pressure regulator valve - 2 -, rotary knob must be pulled upward.
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Connect testing unit for turbo charger (V.A.G 1687) as shown.
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Connect pressurized air hose - 1 - (pressurized air supply) to testing unit for turbo charger (V.A.G 1687).
‹› If water is located in viewing glass, drain it via water drain screw - 6 -.
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Open valve - 3 -.
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Set pressure to 0.5 bar using pressure regulator valve - 2 -.