A4 Quattro Sedan V6-3.0L (AVK) (2002)
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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- 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.
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Remove harness connectors -1 to 4- from bracket at right of bulkhead.
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Disconnect electrical harness connectors -1- and -4-.
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Guide wires to the oxygen sensors downward.
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Remove nut -2- for exhaust pipehaust manifold which is accessible from top.
Note: Illustration is shown with engine removed.