Audi TT - Page 193

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1 - Air Distribution Housing For
A/C System
❑ Different version for
heating and A/C. Refer
to the Electronic Parts
Catalog.
❑ From May 2007, an A/C
air distribution housing
with a door in the air out‐
let to the defroster vents
in the instrument panel
without a side cut-out is
gradually being instal‐
led. With the introduc‐
tion of the door with the
side cut-out, the Clima‐
tronic control module -
J255- is changed. Refer
to
⇒ “1.6 A/C Air Distribu‐
tion Housing Defroster
Outlet Door“, page 30
and to the Electronic
Parts Catalog. Make
sure the correct Clima‐
tronic control module -
J255- installed and then
check the adaptation
using Vehicle diagnosis,
testing and information
system -VAS5051B- in
the "Guided Fault Find‐
ing" function.
Note
2 - Screw
3 - Air Guide Channel To Left
Footwell Vent
❑ Different versions. Refer to Electronic Parts Catalog (ETKA).
❑ A/C system version (with an opening for installing a temperature sensor).
4 - Heater Core For Heater Unit
❑ Removing and installing, refer to ⇒ “5.14 Heater Core“, page 144 .
5 - Sealing Ring
❑ Replacing
❑ Coat thinly with coolant and insert on proper side. Refer to ⇒ “5.14 Heater Core“, page 144 .
6 - Clip
❑ Replacing
❑ Ensure it is seated correctly.
❑ Removing and installing, refer to ⇒ “5.14 Heater Core“, page 144 .
7 - Screw
❑ Tightening specification 2.5 Nm
8 - Coolant Pipes
❑ Disconnect and connect from heater core. Refer to ⇒ “5.14 Heater Core“, page 144 .
9 - Foam Spacer
❑ Installed between grommet and A/C unit.
Audi TT 2007 ➤
Heating, Ventilation and Air Conditioning - Edition 01.2011
6. Disassembly and Assembly 189