Removing and installing four-way lumbar support with manual adjustment — AUDI

🧭 Before you start

Fits: Audi A5 (8T, 2007–2016)

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• A good deal of force is required to unfasten the Velcro strip.
• Make sure lumbar support is connected to mount (2) with locking element (4) or a suitable pin.
• Make sure electrical connectors are fitted correctly (as far as stop) and engage audibly.
• If the airbag warning lamp K75 indicates a fault following installation, you must interrogate, erase and then re-interrogate the event memory .

📋 Procedure

1. ⚠ Observe safety regulations for pyrotechnic components .Before handling pyrotechnic components (e.g. unplugging the electrical connector) the mechanic must discharge any static electricity. This can be done by briefly touching the door striker plate, or similar. — Switch on ignition.
2. With ignition switched on, disconnect battery earth wire Electrical system27Battery; Disconnecting and connecting battery.
3. Remove front seat:
4. Attach front seat to seat repair standVAS 6136.
5. Remove backrest cover panel .

6. Remove trim for outer backrest frame .
7. Remove head restraint:
8. Remove seat cover with padding:
9. In doing so, unfasten Velcro strip (3) between mount (2) and padding. [Note: A good deal of force is required to unfasten the Velcro strip.] [Note: As protection against metal swarf, place plastic foil between seat pan cover and outer backrest frame.]
10. Drill out rivet (3).
11. Unplug electrical connectors (1) and (2) at longitudinal and height adjustment motors of four-way lumbar support.
12. Disengage four-way lumbar support (2) at outer backrest frame (1).
13. Take four-way lumbar support out of outer backrest frame.
14. If applicable, disengage mount (2) at four-way lumbar support (1)(arrows).
15. If applicable, engage mount (2) at four-way lumbar support (1)(arrows).
16. Place plastic foil (1) over Velcro strips (3) of mount (2).
17. Secure plastic foil at mount (2).
18. Make sure lumbar support is connected to mount (2) with locking element (4) or a suitable pin.
19. Engage four-way lumbar support (2) at outer backrest frame (1).
20. Before setting rivet (4), fit a plastic washer (1) between lumbar support (2) and outer backrest frame (3).
21. Rivet four-way lumbar support (2) to outer backrest frame (3).
22. Fold seat padding with cover over outer backrest frame.
23. Pull out plastic foil between mount and padding.
24. Fasten Velcro strip of mount at padding.
25. Plug in electrical connectors at longitudinal and height adjustment motors of lumbar support. [Note: Make sure electrical connectors are fitted correctly (as far as stop) and engage audibly.]
26. ⚠ The battery must be connected with the ignition switched on. If pyrotechnic components (e.g. airbag or belt tensioner) are inexpertly repaired, this may result in unwanted triggering after connecting the battery. There must not be anyone in the vehicle while you are connecting the battery. — With ignition switched on, connect battery earth wire Electrical system27Battery; Disconnecting and connecting battery. [Note: If the airbag warning lamp K75 indicates a fault following installation, you must interrogate, erase and then re-interrogate the event memory .]

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