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– Disconnect check valve -1- from air duct hose.
– Remove air duct hose, thereby loosening hose clamp -2- and
opening clips -arrows-.
– Remove bolts -arrows-.
– Remove air duct -1- and -2-.
– Open clips -arrows- and remove upper part of air filter housing.
– Disconnect electrical harness connector -1- for Heated Oxy‐
gen Sensor (HO2S) -G39- and free up wire.
Note
Ignore -2 -.
Audi A6 2005 ➤
Fuel Injection and Ignition - Edition 03.2008
5. Removal and Installation 45