TT Roadster L4-2.0L Turbo (BPY) (2008)
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Close Pressure Control Valve (VAS 6342) on lever - 1 -.
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Adjust slide ring - 1 - on Hand Vacuum Pump (VAS 6213) to - B - position for " Pressure".
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Switch on Turbocharger Tester (V.A.G 1397A) and adjust slide switch to position II.
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Secure Dial Gauge Holder (VW 387) on turbocharger - arrow -.