A6 Quattro Sedan V8-4.2L (BVJ) (2007)
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Remove bolts - 1 and 2 -.
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Free up electrical wiring and remove secondary air injection (AIR) combi-valve.
‹› The engine is shown from behind to provide a better illustration.
Installing
‹› Tightening Specification => [ Secondary Air Injection System Assembly Overview ] See: Service and Repair.
Installation is in reverse order of removal, note the following:
‹› Replace seals and O-rings.
‹› Secure all hose connections using hose clamps appropriate for the model type.
‹› During installation, all cable ties must be re-installed at the same location.
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Install Heated Oxygen Sensor (HO2S) 2 (G108) (in front of catalytic converter) => Fuel Injection and Ignition 24 Removal and Installation.
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Install left coolant pipe => [ Left Coolant Pipe ] See: Engine, Cooling and Exhaust/Cooling System/Coolant Line/Hose/Service and Repair/Left
Coolant Pipe.
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Place oil dipstick guide tube in hole on upper part of oil pan.
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Fill with coolant => [ Filling ] See: Engine, Cooling and Exhaust/Cooling System/Service and Repair/Procedures.
