S6 Quattro Sedan V10-5.2L (BXA) (2007)
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Remove the right air duct screws - arrows - and the right air duct.
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Remove the vacuum lines - 4 - and - 5 -.
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Loosen the air duct hose clamp - 6 -.
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Remove air duct screws - 1 to 3 - and the air duct.
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Disconnect the Mass Air Flow (MAF) Sensor (G70)/Intake Air Temperature (IAT) Sensor (G42) electrical harness connector - arrow -.