A4 Sedan V6-3.2L (BKH) (2007)
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Remove nut - arrow -.
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Remove retainer for connection - 3 -.
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Remove double-bolt lying beneath.
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Remove retainer for connections - 1 - and - 2 -.
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Remove bolts - 1 to 8 - and remove left timing chain cover.
Right timing chain cover:
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Disconnect check valve - 1 - from connection at air duct hose.