Fresh Air Intake, Checking
WARNING: This page is about a different car, the 2021 Audi S4 and 2021 Audi A4 Quattro. However, it is still accessible from the selected car via links, so may be relevant.
-- Switch off the ignition.
-- Carefully loosen and remove the right plenum chamber cover -A-. Refer to PLENUM CHAMBER COVER, REMOVING AND INSTALLING .
- Depending on the version, for some countries with high dust levels (for example China), a dust filter is installed in the filter mount instead of the grille. This dust filter prevents pollen and sand from getting sucked into the Fresh Air Blower -V2-. Allocation. Refer to the Parts Information.
-- Check the plenum chamber cover -A- for damage.
-- Check the intake box -B- and the outer cover (rain water drain channel) -C- for damage and correct installation.
-- Check the catch on the plenum chamber cover -A- to the windshield frame -C- for damage. Refer to PLENUM CHAMBER COVER, REMOVING AND INSTALLING .