GF83.40-D-4020H | AC housing, component description | 12.5.06 |
MODEL 906.111 /113 /131 /133 /135 /153 /155 /211 /213 /231 /233 /235 /253 /255 /611 /613 /631 /633 /635 /637 /653 /655 /657 /711 /713 /731 /733 /735 except CODE (HH9) Regulated air conditioning (Tempmatic)
D83.40-1105-12
19 Front AC housing
19g Front blower box
19l Air duct from front blower box to front AC housing
Location
The front AC housing is located centrally under the instrument panel.
Task
The front AC housing serves to distribute the fresh air or recirculated air required for ventilation of the vehicle to the respective air ducts and air outlet nozzles as a function of the temperature (temperature selection switch (S98s14)) and air distribution (air distribution switch (S98s8)) in the vehicle interior set on the AAC [KLA] control and operating unit (S98).
Design
The front AC housing consists of the following parts and flaps:
Front and rear intake housing
Left and right distributor housing
Lower and upper air-flow housing
Fresh air and recirculated air housing
Pan with condensation water drain
Front heater heat exchanger
Front evaporator with front expansion valve
Evaporator temperature sensor (B10/6)
Defroster flap
Footwell flap
Mixed air and lock-up valve
Fresh air and air recirculation flap