A8L Quattro Sedan W12-6.0L (BSB) (2005)
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Remove bolts - arrows -.
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Remove lower part of left air filter housing.
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Pull hose - 1 - off from left combination valve for secondary air injection.
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Remove bolts - arrows - and remove left combination valve for secondary air injection.
Installing
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Installation is in reverse order of removal, note the following:
‹› Replace gaskets and O-rings.
‹› Secure all hose connections using hose clamps appropriate for the model type.
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Deactivate vehicle lifting mode.
Tightening Specifications