Air Intake And Outlet Openings In Front Heater And A/C Unit

The overview shows a LHD vehicle as an example. The component layout is a mirror image for RHD vehicles.

The vehicle interior ventilation take place via two vent frames (in the luggage compartment on the right and left near the bumper). Refer to VEHICLE INTERIOR FORCED AIR EXTRACTION, REMOVING AND INSTALLING .

Fig 1: Exploded View Of Air Intake And Outlet Openings In Front Heater And A/C Unit

Courtesy of AUDI OF AMERICA, LLC

1. Fresh Air Intake
   • The air is extracted out of the plenum chamber. Refer to FRESH AIR INTAKE, REMOVING AND INSTALLING .
2. Air Intake Housing
   • Overview. Refer to OVERVIEW - HEATER AND A/C UNIT AIR INTAKE HOUSING .
3. Air Intake from the Vehicle Interior (in Recirculating Air Mode)
   • The air is taken from the passenger footwell under the glove compartment.
4. Air Duct for Glove Compartment Cooling
   • Without the "glove compartment cooling" optional equipment, the connection is closed with a cap.
   • Removing and Installing. Refer to AIR GUIDE FOR GLOVE COMPARTMENT COOLING, REMOVING AND INSTALLING .
5. Air Vent to the Vent in the Instrument Panel on the Right Side (and to the Wide Vent)
   • Depending on the version of the A/C system, the air is guided to different vents. Refer to OVERVIEW - AIR ROUTING AND AIR DISTRIBUTION IN VEHICLE INTERIOR FRONT, Q8 AND Q7 FROM PRODUCT IMPROVEMENT  or .
6. Right Condensation Water Drain
   • Removing and Installing. Refer to CONDENSATION WATER DRAIN, REMOVING AND INSTALLING .
7. Air Vent to Right Front Footwell Vent
8. Left Condensation Water Drain
   • Removing and Installing. Refer to CONDENSATION WATER DRAIN, REMOVING AND INSTALLING .
9. Air Vent to the Air Ducts under the Right Center Console
   • Depending on the version of the A/C system only an air duct, a rear air distribution housing or a rear heater and A/C unit is installed.
   • Depending on the setting, different air temperatures for the left and right side are possible. Refer to AIR DUCT IN FRONT HEATER AND A/C UNIT .
10. Air Vent to Air Ducts under Center of Center Console
    • Depending on the version of the A/C system only an air duct, a rear air distribution housing or a rear heater and A/C unit is installed.
    • Depending on the setting, different air temperatures for the left and right side are possible; one temperature is set in the center, which is determined by the temperature set on the left and right side and the set air quantity. Refer to AIR DUCT IN FRONT HEATER AND A/C UNIT .
11. Air Vent to the Air Ducts under the Left Center Console
    • Depending on the version of the A/C system only an air duct, a rear air distribution housing or a rear heater and A/C unit is installed.
    • Depending on the setting, different air temperatures for the left and right side are possible. Refer to AIR DUCT IN FRONT HEATER AND A/C UNIT .
12. Air Vent to the Center Vent of the Right Instrument Panel
    • Depending on the setting, different air temperatures for the left and right side are possible. Refer to AIR DUCT IN FRONT HEATER AND A/C UNIT .
13. Air Vent to the Center Vent of the Left Instrument Panel
    • Depending on the setting, different air temperatures for the left and right side are possible. Refer to AIR DUCT IN FRONT HEATER AND A/C UNIT .
14. Air Vent to the Front Left Footwell Vent
    • Depending on the setting, different air temperatures for the left and right side are possible. Refer to AIR DUCT IN FRONT HEATER AND A/C UNIT .
15. Air Vent to Vents on Left Side of Instrument Panel
    • Depending on the setting, different air temperatures for the left and right side are possible. Refer to AIR DUCT IN FRONT HEATER AND A/C UNIT .
16. Front Heater and A/C Unit Air Distribution Housing
    • There are different versions. Refer to the Parts Information.
    • Overview. Refer to OVERVIEW - HEATER AND A/C UNIT .
    • Removing and Installing. Refer to HEATER AND A/C UNIT, REMOVING AND INSTALLING .
17. Air Vent to the Left Instrument Panel Defroster Vent
    • Depending on the setting, different air temperatures for the left and right side are possible. Refer to AIR DUCT IN FRONT HEATER AND A/C UNIT .
18. Air Vent to the Right Instrument Panel Defroster Vent
    • Depending on the setting, different air temperatures for the left and right side are possible. Refer to AIR DUCT IN FRONT HEATER AND A/C UNIT .
19. Evaporator Housing
    • Overview. Refer to OVERVIEW - EVAPORATOR HOUSING .
    • Removing and Installing. Refer to HEATER AND A/C UNIT, REMOVING AND INSTALLING .