Removing the dust filter, first step: remove the right side of the black lining under the windshield. To do this, turn the three rotary valves to the left with a coin (1–3), loosen the screw (4) and remove the metal clip (5).
Removing the dust filter, second step: Remove the waterproof housing cover (1) from guides (2) right and left, then take out the filter insert (3).
Audi prescribes the replacement of the body ventilation dust filter every 30,000 km.
Order of execution
1. Raise the wipers to half height and stop in this position by turning off the ignition.
2. Open the hood.
3. Dismantle the right half of black facing under a windscreen. To do this, depress the metal clip under the right axis of the cleaner, turn the three rotary latches 90°to the left with a coin and unscrew the hex bolt.
4. Lift the cover of the waterproof housing.
5. Lift the dust filter up and out of the housing.
6. When installing, slide the drain bowl into the guides from the front.
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