TTS Quattro Roadster L4-2.0L Turbo (CDMA) (2009)
‹› If there is water in the viewing glass, drain it through the drain plug - 6 -.
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Open valve - 3 -.
CAUTION!
Pressure must not exceed 0.5 bar! Damage could result if the pressure is set too high.
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Set the pressure to 0.5 bar using the pressure control valve - 2 -.
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Open the valve - 4 - and wait until the test circuit is filled. Regulate the pressure to 0.5 bar again if necessary.
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Listen, feel and use commercially available leak detection spray or the ultrasonic tester (V.A.G 1842) to check the charge air system for leaks.
‹› A small quantity of air dissipates via valves in engine. A pressure retention test is not possible for this reason.
‹› For information on using the ultrasonic tester (V.A.G 1842 ), refer to the => Operating Instructions.
‹› Before removing adapter, discharge pressure in testing circuit by pulling off coupling from adapter (V.A.G 1687/5).
‹› The hose supports, air guide pipes and hoses must be free of oil and grease before installing.
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Follow the instructions for installing the air guide pipes and hoses with connector couplings. Refer to => [ Air Guide Pipes and Hoses with
Connector Coupling ] See: Service and Repair/Air Guide Pipes and Hoses with Connector Coupling.
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Install noise insulation.