- 1 - air flow distribution cable;
- 2 - heating cable;
- 3 - air supply cable.
Dismantling the Bowden cable on the heating/ventilation control module: remove the counterholder with pliers (1), remove from the lever (3) rope end (2).
To remove the air nozzle flaps, insert screwdrivers from the sides of the air nozzles (arrows) and press them. When installing, make sure that the tilt pins (1) liners included in the guides (2) (right and left have different thicknesses).
All functions of the heating/ventilation system in the Audi A4 can be controlled from a module in the dashboard.
Three so-called Bowden cables run from there to the duct housing, often referred to as «air box». This housing contains air dampers that direct the air flow in the right direction.
Replacing control cables
1. Dismantle the glove box (chapter Salon).
2. The end of the cable is bent in the form of an eyelet and freely suspended from the control lever in the air box.
3. Bowden cable sheaths are attached to the air box with plastic clips.
4. Press the latch on the plastic clip with a small screwdriver, hang the clip.
5. Remove all three heating/ventilation rotary knobs.
6. Remove the two Phillips screws underneath.
7. Remove the radio (chapter Tools and devices).
8. Unscrew four bolts with six-sided heads in an assembly shaft of a radio receiver, remove the decorative panel of the average console.
9. Remove the now visible four Phillips head screws on the heating/ventilation control module.
10. Now press the heating/ventilation control module back a little and then remove it from the dashboard diagonally past the mounting pads.
11. The control module cannot be removed completely, but this is enough to get to the Bowden cable attachment.
12. Use a screwdriver to pry the control cable lockout from the hook on the control module.
13. The end of the cable is bent in the form of an eyelet and freely suspended from the control lever.
Removing the air nozzle flaps
1. Place small screwdrivers on the right and left of the flap and carefully pry it out.
2. Please note when installing: Tilt pins of different thicknesses.
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