Removing and installing module carrier with lumbar support air cushions - up to 08.2012 — AUDI

🧭 Before you start

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

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• Risk of eye injuries.Wear safety goggles! — Drill out rivet (1) for pulsation damper (2).
• Ignore (items 1 and 2).

📋 Procedure

1. Remove backrest cover panel .
2. Remove backrest fan .
3. Remove backrest cover with backrest padding .
4. ⚠ Risk of eye injuries.Wear safety goggles! — Drill out rivet (1) for pulsation damper (2).
5. Unplug electrical connector (5) and move wiring clear at module carrier.

6. Press control unit (3) for multi-contour seat (front) upwards slightly to disengage it from module carrier (arrow).
7. Disconnect pneumatic lines (4) to lumbar support air cushions. [Note: Ignore (items 1 and 2).]
8. Disconnect pneumatic lines leading to lumbar support air cushions at the following locations :
9. Move clear control unit for multi-contour seat (front) with remaining pneumatic lines still connected. [Note: Genuine replacement parts are supplied with short line sections which are connected to the pneumatic lines with line connectors.Before disconnecting the pneumatic lines, transfer the length of the line sections from the genuine replacement part to the part to be removed and separate at exactly this location.]
10. Cut through cable ties and move clear electrical wiring harness and pneumatic lines at lumbar support module carrier.
11. Remove bolt (1).
12. Swivel module carrier (2) with lumbar support air cushions forwards, disengage at outer backrest frame (3)(arrows) and detach.

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