Vent Frame, Checking; Plenum Chamber Water Drain, Checking And Cleaning - Audi Q7 2007 Repair Manual

Audi Q7 2007 ➤
Heating, Ventilation and Air Conditioning - Edition 04.2013
5.7

Vent Frame, Checking

– Check for blockage of the air ducts between the vent grilles
-C- of the luggage compartment lining (left and right) and the
two vent frames -A-.
♦ Sealing lips -B- in ventilation frames -A- must move freely and
close by themselves.
♦ Blocked channels or jammed sealing lips may cause windows
to fog up.
Note
In this illustration, ventilation frame is depicted with rear bump‐
♦
er removed.
One vent frame is installed on left and right for forced air ex‐
♦
traction.
To ensure that sealing lips -B- close correctly, ventilation
♦
frame -A- must be installed on the correct side.
For the passenger compartment ventilation system to function
♦
properly, the channels worked in behind the left and right lug‐
gage compartment lining to air duct to ventilation frame -A-
and both ventilation grates -C- must not be blocked.
5.8 Plenum Chamber Water Drain, Check‐
ing and Cleaning
64
Rep. Gr.87 - Air Conditioning
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