Removing and installing heater and air conditioning unit, "“Mid”" or "“Mix”" air conditioner — AUDI

🧭 Before you start

Fits: Audi Q7 (4M, 2015–)

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• The grommets (B), (C) and (F) are only fitted on vehicles with an air distribution housing.
• Check mounting points (A) to ensure that they are fitted properly in the centre tunnel and are undamaged.
• Noise may occur when the air conditioner is in operation if components are damaged or not properly assembled.

📋 Procedure

1. Switch off ignition.
2. Remove the base plate (A) of the centre console and the insulating mat (B)General body repairs, interior68Centre console; Removing and installing centre console bracket.
3. Unfasten the rear air distribution housing (D) from the mounting points (A) and the air ducts (E) and remove.
4. Check the grommets (B), (C) and (F) for damage and proper attachment. [Note: The grommets (B), (C) and (F) are only fitted on vehicles with an air distribution housing.]
5. Check mounting points (A) to ensure that they are fitted properly in the centre tunnel and are undamaged.

6. Check for damage to the ball ends at the air distribution housing (D) which are inserted in the mounting points (A).
7. Check for damage to and contamination of the outlets at the rear air distribution housing (D) which are inserted in the air ducts (E), as well as checking the air ducts (E). [Note: Noise may occur when the air conditioner is in operation if components are damaged or not properly assembled.]
8. Insert the rear air distribution housing (D) in the mounting points (A) and the air ducts (E).
9. Perform basic setting and final control diagnosis for the air conditioner in "“Guided Fault Finding”" mode. [Note: The control motors on this vehicle are equipped with electronics. A new control motor only learns its position at the heater and air conditioning unit in the course of basic setting and can then be activated by the front air conditioner operating and display unit E87 (all control motors are identical at present) in "“Guided Fault Finding”" mode.While you are performing the basic setting, the control motors are assigned and adapted in accordance with the series connection of the wiring. If the sequence is not as specified, the control motors will not be adapted properly and the flaps will not be controlled correctly Overview of control motors of air conditioner.]
10. Interrogate the event memory of E87 and erase any faults displayed in "“Guided Fault Finding”" mode.

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