TorqFix

Removing and installing air duct with defrost flap for right dash panel vent/side window — AUDI

Removing and installing air duct with defrost flap for right dash panel vent/side window on Audi: 11 steps.

Workshop procedure for AUDI — the exact step sequence and torque figures, straight from real workshop data.

11 steps

🧭 Before you start

Fits: Audi A8 D4 (4H, 2010–2017)

📋 Procedure

  1. Move the front right seat (front passenger's seat) as far back as it will go.
  2. Switch off ignition.
  3. Remove the glove compartment General body repairs, interior68Shelves/storage compartments/covers; Removing and installing glove compartment.
  4. Remove right dash panel vent (C)General body repairs, interior70Dash panel; Removing and installing dash panel vent.
  5. Remove the bolt (A).
AUDI? Steps differ between engine variants — check this job against your exact car before you commit to it. Check my car — free →
  1. Remove the air duct to the right side window (B).
  2. Unplug the connector (B) from the control motor for right side window defroster flap V410(C).
  3. Remove the expanding rivets (A).
  4. Remove the air duct with the defrost flap for the right dash panel vent/side window (D).
  5. 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 air conditioning unit in the course of basic setting and can then be activated by the air conditioner front operating and display unit, Climatronic control unit J255 (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.]
  6. Interrogate the event memory of J255 and erase any faults displayed in "“Guided Fault Finding”" mode.

Who makes these pages, and how

TorqFix was built by a mechanic — after a 2,700 km drive with five roadside repairs that no diagnostic tool could explain.

The figures on this page come from manufacturer workshop documentation and are shown as they are. The page is assembled automatically from that data — it is not written by an AI. The AI works in the chat, where it answers for your specific car. It writes nothing here.

Variants of the same model differ. Cross-check torque against the factory manual for your engine before final tightening.

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Workshop data on this page last updated 20 Sep 2026.