S5 Quattro Coupe V8-4.2L (CAUA) (2009)
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Remove vacuum line - 4 - at air guide hose.
‹› Ignore - 1 -.
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Lay aside air guide hose with connected crankcase ventilation hose - 3 - by loosening hose clamps - 2 - and - 5 -.
CAUTION!
Hose connectors - 3 - on vehicles must not be opened.
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Disconnect electrical connector - 2 - on Evaporative Emission (EVAP) Canister Purge Regulator Valve (N80) and remove vacuum hose - 1 -.