A5 Quattro Coupe V6-3.2L (CALA) (2009)
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Remove vacuum hose - 3 - from the connection on the air guide pipe.
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Remove air guide pipe by loosening the hose clamp - 4 - and opening the clips - arrows -.
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Disconnect vacuum line - 1 -.
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Remove air filter housing and, if applicable, disconnect the electrical connector - 2 - on the rear side at the Intake Air Switch-Over Valve (N335).
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Remove bolts - arrows - on the right cylinder head and disconnect the electrical connectors to the ignition coils.