A3 Mk2
| Air routing in evaporator housing |
| 1 - | Evaporator housing assembly |
| 2 - | Air flow flap (fresh-air flap) |
| q | Shown in „open“ position |
| q | Only fitted on vehicles with automatically controlled air conditioner |
| q | Up to the end of Model Year 2007, the air flow flap was moved by the air flow flap control motor -V71-. As of the end of Model Year 2007, the air flow flap control motor -V71- is being gradually discontinued. On vehicles with no air flow flap control motor -V71-, the air flow flap is actuated by the air recirculation flap control motor -V113- by way of a cam plate and lever → Chapter. Attention is therefore to be paid to correct assignment of the operating and display unit, Climatronic control unit -J255-. If the assignment or adaption is not OK, this is detected during basic setting and stored as a fault → Electronic parts catalogue. |
| 3 - | Air recirculation flap |
| q | Shown in „closed“ position |
| q | Vehicles with automatically controlled air conditioner |
| q | Vehicles with manually controlled air conditioner are fitted with a fresh-air/air recirculation flap → Chapter |
| 4 - | Fresh air blower -V2- |
| q | With fresh air blower control unit -J126- (only fitted on vehicles with automatically controlled air conditioner) |
| 5 - | Dust and pollen filter |
| q | Heed replacement intervals → Maintenance tables |
| 6 - | Evaporator |
| q | Vehicles with no air conditioner (heater only) are fitted with a foam core (for noise insulation) instead of the evaporator |
| 7 - | Bottom part of evaporator housing (with fitted components) |
| 8 - | Air outlet to air distribution housing |
| 9 - | Air distribution housing |
Note| t | On vehicles with a manually controlled air conditioner (no automatic air conditioner) the modification to this flap has no effect on air conditioner control (the flap is only actuated by way of the setting on the manual air conditioner controls) . |
| t | On vehicles with an automatically controlled air conditioner the air conditioner operating and display unit, Climatronic control unit -J255- was already modified at the end of Model Year 2007 → Electronic parts catalogue. On air conditioner operating and display units, Climatronic control unit -J255- with part number „8P0 820 043“ as of index „AE“, the „Adaption“ function can be used to enter the version of the flap in the air outlet to the dash panel defroster vents and the number of control motors at the air conditioning unit (with and without air flow flap control motor -V71-) (adaption of air conditioner operating and display unit, Climatronic control unit -J255-) → "Guided fault-finding" function of vehicle diagnostic, testing and information system VAS 5051. |
