TT Coupe L4-2.0L Turbo (BPY) (2008)
CAUTION!
Pressure must not exceed 0.5 bar! A pressure set too high may damage the engine.
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Open valve - 4 - and wait until testing circuit has filled. If necessary, continue to regulate pressure to 0.5 bar.
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Check charge air system for leaking areas by listening, touch, using leak detection spray or using ultrasonic measuring device ( V.A.G 1842).
‹› A small quantity of air dissipates via valves in engine. A retaining pressure test is not possible for this reason.
‹› Handling instructions of ultrasonic measuring device (V.A.G 1842) => Owner's Manual.
‹› Before removing adapter, discharge pressure in testing circuit by pulling off coupling from adapter (V.A.G 1687/5).
‹› Hose connections and charge air system hoses must be free of oil and grease before installing.
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Install air guide pipes and connector => [ Hose Connections with Connection Couplings, Assembly ] See: Description and Operation