A4 Sedan L4-2.0L Turbo (BPG) (2005)
Cabin Ventilation Duct: Testing and Inspection
Air Extraction Vent, Checking
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Check air guides to both air extraction vents - A - for blockage (left and right).
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Sealing lips - B - in air extraction vent - A - must move freely and close automatically.
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Clogged air guides or gummed sealing lips could cause windows to mist up.
NOTE:
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The illustration shows the air extraction vent for a Saloon with the rear bumper removed. A different type of air extraction vent is installed on the
Avant.
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One air extraction vent each is installed on left and right for forced air extraction.
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To ensure proper functioning of passenger compartment ventilation, the vent openings - C- in the luggage compartment lining are never to be
sealed off.