Removing and installing lumbar support: Audi A5 Cabriolet

🧭 Before you start

Fits: Audi A5 Cabriolet (8F)

Don't miss

• As protection against metal swarf, place plastic foil between seat pan cover and outer backrest frame.
• Risk of injury!Wear safety goggles. — Drill out rivet (2).
• 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 head restraint:
7. Remove cover and padding from front seat backrest: [Note: As protection against metal swarf, place plastic foil between seat pan cover and outer backrest frame.]
8. ⚠ Risk of injury!Wear safety goggles. — Drill out rivet (2).
9. Unplug electrical connectors (1) and (3) at longitudinal and height adjustment motors of four-way lumbar support.
10. Move clear electrical wiring harness at four-way lumbar support (1).
11. Disengage four-way lumbar support from outer backrest frame (2) and detach.
12. Engage four-way lumbar support (1) at outer backrest frame (2).
13. Before setting rivet (4), fit a plastic washer (1) between lumbar support (2) and outer backrest frame (3).
14. Rivet four-way lumbar support (2) to outer backrest frame (3). [Note: Make sure electrical connectors are fitted correctly (as far as stop) and engage audibly.]
15. ⚠ 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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