RS 4 Quattro Sedan V8-4.2L (BNS) (2007)
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Remove hose clamps - 1 - and - 3 - and lay air guide hose aside.
CAUTION!
Hose connectors - 4 - must not be opened.
All Vehicles
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Remove bolts - 2 -.
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Remove vacuum hose - 3 - and air guide hose - 1 - from right secondary air injection combination valve by pressing release buttons.
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Remove secondary air injection combination valve with connecting pipe.
‹› The illustration depicts the engine removed from behind.
‹› Ignore - 4 - and - 5 -.
Installing
Installation is in reverse order of removal, note the following:
