Secondary Air Injection Sensor 1 -G609-, REMOVING AND INSTALLING: Removing

WARNING: This page is about a different car, the 2025 Audi A4 allroad and 2025 Audi A4 Quattro. However, it is still accessible from the selected car via links, so may be relevant.

All except Audi A8/Q7/Q8:

-- Remove the lock carrier cover. Refer to OVERVIEW - BUMPER COVER .

Audi A6/A7

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-- Remove the bolts -arrows- and then remove the air guides -1 and 2-.

Audi Q5:

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-- Remove the bolts -arrows- and air duct -1-.

Audi Q7/Q8:

-- Remove the front noise insulation. Refer to OVERVIEW - NOISE INSULATION .

Continuation for All Vehicles:

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-- Disconnect the connector -1-.

-- Open the catches -arrows- and remove the Secondary Air Injection Sensor 1 -G609- -2-.