Upper Air Duct Pipe, Removing And Installing, AUDI A8: Removing

-- Remove the engine cover. Refer to ENGINE COVER, REMOVING AND INSTALLING .

-- Loosen the hose clamps -arrows- and remove the air duct pipe -1-.

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-- Free up the vacuum line -2-.

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All Engine Codes Excluding DWPA:

-- Remove the air duct hose -3- by pressing the release buttons on both sides.

All Engine Codes:

-- Remove the bolts -arrows- and free up the air duct pipe -1- and remove them upward, at the same time pay attention to the Venturi injector/plugs (example image).