Removing and installing air ducts (left and right) at drive battery A2 — AUDI

🧭 Before you start

Fits: Audi A6/A7 C7 (4G, 2011–2018); platform code 4X

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• Removal of the air ducts involves taking out the drive battery on vehicles with the additional threaded fasteners (1) and (3).

📋 Procedure

1. ⚠ Risk of fatal injury if high-voltage components are damaged.Observe the following when working in the vicinity of high-voltage components or wiring:It is not permitted to use cutting or forming tools, other sharp-edged tools or heat sources such as welding, brazing, soldering, hot air or thermal bonding equipment.Before starting work, visually inspect the high-voltage components in the areas involved.Before working in the engine compartment, visually inspect the power and control electronics for electric driveJX1, electric drive motor V141, air conditioner compressor V470 and high-voltage wiring. Before working on the vehicle underbody, visually inspect the high-voltage wiring and covers. Before working on the rear section of the vehicle, visually inspect the high-voltage wiring and the electro-box with the maintenance connector for high-voltage system TW . Visually inspect all potential equalisation lines.Check the following when making the visual inspection:There must be no external damage on any component. The insulation of the high-voltage wiring and potential equalisation lines must not be damaged. There must be no unusual deformation of the high-voltage wiring. All high-voltage components must be identified by a red warning sticker. — Switch off ignition.
2. Remove luggage compartment floor General body repairs, interior70Luggage compartment trim panels; Exploded view - luggage compartment floor. [Note: Removal of the air ducts involves taking out the drive battery on vehicles with the additional threaded fasteners (1) and (3).]
3. Remove drive battery Electrical system, hybrid93High-voltage battery unit; Removing and installing high-voltage battery.
4. Remove bolts (1, 2 and 3) and detach air ducts.
5. Remove drive battery cover Electrical system, hybrid93High-voltage battery unit; Removing and installing high-voltage battery.

6. Remove relevant front bracket for luggage compartment floor General body repairs, interior70Luggage compartment trim panels; Exploded view - luggage compartment floor.
7. Remove bolts (2) and carefully unclip air ducts from fasteners.
8. ⚠ If the air duct fasteners no longer hold, the air ducts must be secured with additional bolts (1, 3). You must remove the drive battery Electrical system, hybrid93High-voltage battery unit; Removing and installing high-voltage battery. — Re-install all remaining components (removed earlier).
9. Switch on ignition.
10. Interrogate event memory of air conditioner operating unit (Climatronic control unit J255) and erase any entries displayed in "“Guided Fault Finding”" mode.

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