Overview - Attachments For Heater And A/C Unit And Air Intake Housing

WARNING: This page is about a different variant/trim than selected.

NOTE:

There are different versions and manufacturers of the heater and A/C units. At the start of production, only "Denso" heater and A/C units are being installed on the Audi TT. Heater and A/C units of other manufacturers may also installed at a later date. Individual components of the different heater and A/C units are similar but not the same. Interchanging components from different manufacturers is not permitted. Refer to the Parts Information.

Characteristics of heater and A/C units of other manufacturers. Refer to HEATER AND A/C UNIT IDENTIFICATION .

Fig 1: Exploded View Of Air Intake Duct, Dust And Pollen Filter, Fresh Air Blower, Door Control Components

Courtesy of AUDI OF AMERICA, LLC

Screw/Clip
- 1 Nm
- Quantity: 2
  NOTE:
  There are different versions. Replace the clip version if necessary. Refer to the Parts Information.
  
  Pry the clip version out, for example, with pliers or a screwdriver.
Cover
Housing Upper Section
Screw
- 1 Nm
- Quantity: 2
Air Intake Duct
- With fresh air and air recirculation door
- There are different versions. Refer to the Parts Information.
- Removing and Installing. Refer to AIR INTAKE DUCT, REMOVING AND INSTALLING .
- Do not disassemble
Fresh Air and Air Recirculation Door Adjuster
- Only with an automatic climate control system
- Removing and Installing. Refer to FRESH AIR/RECIRCULATING AIR/BACK PRESSURE DOOR ADJUSTER, REMOVING AND INSTALLING .
Screw
- 1 Nm
- Quantity: 2
- Only with an automatic climate control system
Actuator
- To check, use the Vehicle Diagnostic Tester in the"Guided Fault Finding" function. Refer to the appropriate Wiring Diagram.
  Manual Climate Control System:
- Recirculation Door Motor -V113- without position sensor; with end switches in the end stops. Refer to the appropriate Wiring Diagram.
- Removing and Installing. Refer to Recirculation Door Motor -V113-, REMOVING AND INSTALLING .
  Automatic Climate Control System:
- Fresh Air/Recirculating Air/Back Pressure Door Motor -V425- with Fresh Air/Recirculating Air/Back Pressure Door Motor Position Sensor -G644-
- Removing and Installing. Refer to Fresh Air/Recirculating Air/Back Pressure Door Motor -V425- WITH Fresh Air/Recirculating Air/Back Pressure Door Motor Position Sensor -G644-, REMOVING AND INSTALLING .
Screw
- 1 Nm
- Quantity: 2
Dust and Pollen Filter
- There are different versions. Refer to the Parts Information.
- Replacement interval. Refer to Maintenance Tables.
- Removing and Installing. Refer to DUST AND POLLEN FILTER, REMOVING AND INSTALLING .
Cover
- For dust and pollen filter
Fresh Air Blower -V2-
- To check, use the Vehicle Diagnostic Tester in the"Guided Fault Finding" function. Refer to the appropriate Wiring Diagram.
- Removing and Installing. Refer to Fresh Air Blower Control Module -J126-, REMOVING AND INSTALLING .
Fresh Air Blower Control Module -J126-
- To check, use the Vehicle Diagnostic Tester in the"Guided Fault Finding" function. Refer to the appropriate Wiring Diagram.
- Removing and Installing. Refer to Fresh Air Blower Control Module -J126-, REMOVING AND INSTALLING .
Screw
- 1 Nm
- Quantity: 2