audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Oxygen Sensor Before Catalytic Converter, Bank 1|Page 4611 > < Oxygen Sensor Before Catalytic Converter, Bank 1
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Remove the air duct - 1 - and - 2 -. 

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Disconnect check valve - 1 - from air duct hose. 

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Remove the air duct hose, thereby loosening the hose clamp -  2 - and opening the clips - arrows -.

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Remove pin from spreader clips - arrow -.

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Remove air filter housing.

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Disconnect the electrical harness connector - 1 - for heated oxygen sensor (G39) and free up wire.

Oxygen Sensor Before Catalytic Converter, Bank 1|Page 4611 > < Oxygen Sensor Before Catalytic Converter, Bank 1