A6 Quattro Wagon V6-3.2L (BKH) (2006)
Air Duct: Service and Repair
Air Intake Unit Upper Cover
Air Intake Unit Upper Cover
‹› There are different versions of the air intake unit and corresponding upper cover (up to 05.04 Version"1" and after 05.04 Version " 2" as a running
change, distinguishing characteristics => [ Characteristics of Air Intake Unit Versions 1 and 2 ] See: Description and Operation/Characteristics of
Air Intake Unit Versions 1 and 2). If the Version "1" upper cover or housing produced up to 05.04 has to be replaced, replace the cover or upper
housing of the air intake unit as well (you will only receive Version "2" components as the spare part).
Removing
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Switch off ignition.
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Remove the plenum chamber cover.
CAUTION!
Even when the engine is cold, both pump/valve unit valves can be hot.
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Remove the windshield wiper arm and cowl panel trim.
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If necessary, remove the dome brace (not present in all vehicles).
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Remove the Air Quality Sensor (G238) if installed in this vehicle => [ Air Quality Sensor ] See: Climate Control Exhaust Gas Sensor/Service and
Repair.
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Remove bolts - A -.
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Remove the upper cover - B -.
Installing
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Before installing the air intake unit upper cover, make sure connectors - C - through - F - and the grommet - B - are seated correctly and the cable
- A - is routed correctly.