Removing and installing side airbag: Audi TT Mk1

🧭 Before you start

Fits: Audi TT Mk1 (8N)

• Timing position: the crankshaft or camshaft is set and locked during this job

Don't miss

• Always replace bolt (4).
• When laying airbag cable, make sure cable (5) is properly positioned in clips and routed as shown in illustrations and .

🔩 Torque settings

Values can differ between engine variants — check the code stamped on your block.

ℹ️ Always cross-check the exact figure against your vehicle's factory manual before final tightening — a wrong torque can damage the engine. These values are extracted from workshop data and may not cover every variant or revision.

📋 Procedure

1. ⚠ Heed safety precautions for working on airbags and side airbags . — Disconnect battery earth strap/cable.
2. Remove seat .
3. Remove height adjustment handle .
4. Unplug airbag connector from connector console .
5. Disconnect airbag cable from seat pan .

6. Unfasten holders at seat cushion , Item no. 2.
7. Pull seat side trim outwards slightly in area of height adjustment lever and fold front of seat cushion upwards.
8. Remove spring cover .
9. Sever cable tie .
10. Disengage cover at rear at attachment strip , Item no. 11.
11. Detach seat cushion.
12. Remove handwheel and release handle on side airbag side .
13. Press out expanding rivet of fitting trim and remove fitting trim .
14. Disengage backrest cover over a length of approx. 200 mm from fastening slot , detail (D).
15. Bend open tab (1) and disengage cover.
16. Disengage backrest cover over a length of approx. 100 mm at side airbag module .
17. Carefully detach side airbag cable from clips .
18. Slacken off bolt (4) at securing plate (6) at bottom of side airbag module (2).
19. Press down side airbag module (2).
20. Carefully pull off side airbag module (2) outwards. [Note: Always replace bolt (4).]
21. Attach side airbag module (2) such that locking pins (3) engage in fastening holes (7).
22. Slide side airbag module upwards as far as it will go.
23. Tighten new bolt (4) at side airbag module to a torque of 10 Nm. — 10 Nm (7.4 lb-ft)
24. When laying airbag cable, make sure cable (5) is properly positioned in clips and routed as shown in illustrations and .
25. Perform remaining installation operations in reverse order of removal.
26. Switch on ignition.
27. ⚠ Make sure there is no-one in the vehicle when connecting battery. — Connect battery earth strap. [Note: After connecting battery, remember to check vehicle equipment (radio, clock, electric window lifters) in line with Workshop Manual and/or owner's manual.If airbag warning lamp (K75) indicates a fault following installation, use vehicle diagnostic, testing and information systemVAS 5051 A to erase and re-interrogate fault memory.]

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