Audi Air conditioning 2003 A8 Workshop Manual page 120

Audi A8 2003 ➤
Air conditioning - Edition 09.2010
– Before installing the heat exchanger, check the condensation
drain openings -A- for dirt and clean if necessary.
Note
The condensation drain must not be blocked by dirt or other
♦
deposits.
The Fig. shows the drain openings with heat exchangers in
♦
position.
Cleaning condensation drain:
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– Heat exchanger removed: Use an illuminated angled mirror to
with respect to the correctness of information in this document. Copyright by AUDI AG.
check both drain openings by way of the opening for the heat
exchanger and clean the condensation drains if necessary
with a piece of wire for example.
– Heat exchanger fitted: Use a piece of wire for example to clean
the condensation drains from outside (with the condensation
hose detached).
Perform the remaining installation operations in reverse order,
paying attention to the following:
– Check the attached foam seal before installing the heat ex‐
changer.
Note
If not properly affixed, the seal may curl up on insertion of the
♦
heat exchanger in the air conditioning unit.
Cold air may flow past the heat exchanger if the seal is dam‐
♦
aged or not properly fitted.
– Secure all connections with standard clips or clamps approved
for this connection: ⇒ Electronic parts catalogue
Note
The clips -A- and -B- are difficult to fit with the unit installed.
♦
To permit service replacement of the heat exchangers with the
♦
air conditioning unit fitted, use is to be made of the clamps
-A- and -C- ⇒ Electronic parts catalogue .
114
Rep. gr.87 - Air conditioning system