A4 Quattro Wagon L4-1.8L Turbo (ATW) (2000)
Cabin Ventilation Duct: Testing and Inspection
Air Extraction Vents, Checking
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Sealing lips -B- in air extraction vents -A- must move freely and close by themselves.
NOTE:
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Illustration shows air extraction vent with rear bumper removed.
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2 air extraction vents (left and right) are installed for forced ventilation.
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Extraction of air from the passenger compartment can only function properly if rear shelf air guides are not blocked.