Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not
permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
with respect to the correctness of information in this document. Copyright by AUDI AG.
9 - Intake Housing With Recirculating Air and Air Flow/Fresh Air Door
❑ Removing and installing, refer to
⇒ “5.5 Air Intake Housing with Recirculating and Air Flow/Fresh Air Door“, page 115 .
10 - Fresh Air Blower Control Module -J126- and Fresh Air Blower -V2-
❑ Removing and installing, refer to
⇒ “1.14 Fresh Air Blower Control Module J126 and Fresh Air Blower V2 “, page 36 .
❑ Different versions. At the start of production, a Fresh Air Blower on which the Fresh Air Blower Control
Module is cast with the blower -V2- (cannot be replaced individually) was installed. In model year 2007,
Fresh Air Blower Control Module and Fresh Air Blower that are bolted together (each can be replaced
separately) will be introduced as a running change. Refer to
⇒ “1.14 Fresh Air Blower Control Module J126 and Fresh Air Blower V2 “, page 36 and Electronic Parts
Catalog (ETKA).
❑ The Fresh Air Blower Control Module -J126- is installed in the Fresh Air Blower -V2- . Depending on the
version, both of these components can be either replaced separately or only together.
❑ Checking, refer to Vehicle diagnosis, testing and information system -VAS5051B- in the "Guided Fault
Finding" function.
11 - Dust and Pollen Filter
❑ Removing and installing, refer to ⇒ “5.9 Dust and Pollen Filter“, page 138 .
❑ Follow the replacement intervals. Refer to Maintenance Intervals; Rep. Gr. 03.
❑ Vehicles without A/C (with heating only) have dust and pollen filter without an activated charcoal insert.
Refer to Electronic Parts Catalog (ETKA) and
⇒ “1.12 Dust and Pollen Filter with Activated Charcoal Insert“, page 33 .
12 - Coolant Pipes To Heater Core
13 - Grommet
❑ For sealing any holes in the refrigerant lines through the plenum chamber bulkhead to the engine com‐
partment.
Audi TT 2007 ➤
Heating, Ventilation and Air Conditioning - Edition 01.2011
2. Description and Operation 11
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