A4 Quattro Wagon V6-3.0L (AVK) (2002)
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Remove bolts (arrows).
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Detach Evaporative Emissions (EVAP) Canister Purge Regulator Valve -N80-1- at air guide.
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Remove air guide -2-.
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Remove air filter housing (arrows).
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Remove bolts for holding plate -3- for solenoid valves (arrows).
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Disconnect electrical harness connector at Mass Air Flow (MAF) sensor.
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Remove hose -4- of crankcase ventilation from air duct -2-.
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Remove bolt (arrow) and disconnect air duct -2- at throttle valve control module.
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Disconnect hose -1- from air duct.
Note: Illustration shows the air guide from rear with the engine removed.