Audi TT - 2 Description and Operation

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2 Description and Operation
⇒ “2.1 Components Outside Passenger Compartment“,
page 4
⇒ “2.2 A/C Components Inside Passenger Compartment, Left
Side“, page 6
⇒ “2.3 A/C Components Inside Passenger Compartment, Right
Side“, page 8
⇒ “2.4 Heater Components“, page 9
2.1 Components Outside Passenger Compartment
1 - Forced Air Extractor
❑ A forced air extraction
vent is installed at left
and right under rear
bumper.
❑ Sealing doors on air ex‐
traction vent must be
able to move freely and
close automatically.
❑ In order for the passen‐
ger compartment venti‐
lation to function proper‐
ly, the air ducts that run
through the luggage
compartment trim must
be unobstructed.
❑ Checking, refer to
⇒ “4.9 Passenger Com‐
partment Forced Air Ex‐
traction, Checking“,
page 98 .
2 - Intake Grille For Fresh Air
Intake
❑ Check for proper seat‐
ing, prevents foreign ob‐
jects (e.g. leaves) enter‐
ing intake housing of
heater unit.
❑ Check the bonded seal
for damage and proper
seating. This seal pre‐
vents water from flowing
through beneath the in‐
take grille into heater in‐
take housing.
❑ Removing and instal‐
ling, refer to
⇒ “5.12 Fresh Air Intake
Cover“, page 142 .
3 - Fresh Air Intake Cover
❑ Check the bonded seal for damage and proper seating. This seal prevents water between the windshield
lower frame and the cover from getting into the heater air intake shroud.
❑ Removing and installing, refer to ⇒ “5.12 Fresh Air Intake Cover“, page 142 and ⇒ Body Exterior; Rep.
Gr. 50 ; Removal and Installation .
4 - Coolant Fan -V7- and Coolant Fan 2 -V177-
❑ Different versions of the Coolant Fan and Coolant Fan 2 are installed depending on vehicle equipment.
Refer to Electronic Parts Catalog (ETKA).
Audi TT 2007 ➤
Heating, Ventilation and Air Conditioning - Edition 01.2011
4 Rep. Gr.80 - Heating, Ventilation