RS 4 Quattro Cabriolet V8-4.2L (BNS) (2008)
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Remove vacuum hose - 3 - and air guide hose - 4 - from 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 - 1 - and - 5 -.
Installing
Installation is in reverse order of removal, note the following:
‹› Replace gaskets and O-rings.
‹› Secure all hose connections with hose clamps appropriate for the model.
‹› During installation, all cable ties must be re-installed at the same location.
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Mount front wheel.
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Check coolant level => [ Filling ] See: Engine, Cooling and Exhaust/Cooling System/Service and Repair/Procedures.
Tightening Specifications