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

NOTE:

There are different versions and various manufacturers of the heater and A/C units. 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.

A "Valeo" air intake housing is shown in the following illustration. Refer to HEATER AND A/C UNIT IDENTIFICATION for the different manufacturers' distinguishing characteristics of the heater and A/C units.

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
- Bolt tightening specification 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
Bolt
- 1 Nm
- Quantity: 2
Air Intake Duct
- With fresh- and recirculated-air door
- There are different versions. Refer to the Parts Information.
- Removing and installing. Refer to AIR INTAKE DUCT, REMOVING AND INSTALLING .
- Do not dismantle
Fresh/Recirculating Air Door Motor Adjuster
- Only with an automatic climate control
- Removing and installing. Refer to FRESH AIR/RECIRCULATING AIR/BACK PRESSURE DOOR MOTOR ADJUSTER, REMOVING AND INSTALLING .
Bolt
- 1 Nm
- Only with an automatic climate control
- Quantity: 2
Actuator
- To check, use the Vehicle Diagnostic Tester in the "Guided Fault Finding" function and Wiring diagrams, Troubleshooting & Component locations.
  Heater and Manually Regulated A/C System
- Recirculation Door Motor -V113- without position sensor; with end switches in the end stops. Refer to Wiring diagrams, Troubleshooting & Component locations.
- 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 .
Bolt
- 1 Nm
- Quantity: 2
Dust and Pollen Filter
- There are different versions. Refer to the Parts Information.
  NOTE:
  For vehicles without an A/C system and for vehicles with a manual climate control system without an activated charcoal filter element from the manufacturer. Refer to DUST AND POLLEN FILTER .
- Replacement interval. Refer to MAINTENANCE, DIAGNOSIS (MY 2018 AUDI MAINTENANCE SCHEDULE) [CONVERTIBLE] / MAINTENANCE, DIAGNOSIS (MY 2019 AUDI MAINTENANCE SCHEDULE) [CONVERTIBLE] .
- 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 and Wiring diagrams, Troubleshooting & Component locations.
- 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 and Wiring diagrams, Troubleshooting & Component locations.
- Removing and installing. Refer to Fresh Air Blower Control Module -J126-, REMOVING AND INSTALLING .
Bolt
- 1 Nm
- Quantity: 2