A4 Sedan L4-1.8L Turbo (AWM) (2001)
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Loosen bolts -1- and -2- by several turns.
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Remove front hose from pipe of crankcase vent -2-.
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Disconnect front hose from pipe -1 of secondary air inlet.
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Remove heat shield -3-.
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Remove bolts -1- and -2- of oil feed pipe.
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Remove bolts -3- for exhaust turbocharger.
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Remove seal between exhaust turbocharger and exhaust manifold.
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Plug opening in suction duct of turbocharger with a clean cloth.