Removing and installing backrest adjustment actuator unit — AUDI

📋 Procedure

1. ⚠ Observe safety precautions when working on pyrotechnic components .Before handling the airbag units (e.g. unplugging the electrical connector) the mechanic must discharge static electricity by briefly touching the door striker plate, or similar. — Remove front seat .
2. Attach front seat to seat repair standVAS 6136.
3. Remove trim (tunnel side) .
4. Remove trim (sill side) .
5. Remove trim for backrest fitting on tunnel and sill side .

6. Remove backrest cover panel:
7. Mark the angular position of the backrest fittings on the left and right at the front seat as follows:
8. Make a mark (arrow B) with a waterproof felt-tip pen at the backrest frame (2) right at the front edge (arrow A) of the fitting (1).
9. Unscrew the nut (3) at the shaft (4).
10. Detach the padding from the backrest frame in the area of the backrest fitting:
11. Pull the shaft (5) out of the backrest frame (2)(arrow).
12. Unplug the connector (3) at the backrest adjustment motor. [Note: As protection against metal swarf, place plastic sheeting between the seat cover and the backrest frame.]
13. ⚠ Risk of eye injuries.Wear safety goggles! — Drill out rivets (1) and detach backrest adjustment motor (4) with bracket.
14. Always clean threaded hole for bolt and thread of shaft (4) using e.g. a thread tap.
15. Check the position of the backrest frame (2) and the fitting (1) on the left and right side of the backrest.
16. If the backrest frame is not in the position marked before removal (on left and right side), make adjustments as required.
17. Fit backrest adjustment motor (3) with bracket.
18. First slide the shaft through the fitting (tunnel side) as far as the mount (4) in the backrest adjustment motor.
19. Check whether the profiles of the inserted shaft and the mount in the backrest adjustment motor are in line.
20. If profiles of shaft and mounting in backrest adjustment motor are not in line, apply an external 12 V power supply to backrest adjustment motor (3) and rotate mounting until profiles of shaft and mounting are in line.
21. Push shaft (5) through mounting in backrest adjustment motor as far as stop (sill side) (arrow).
22. Apply locking fluid to the threaded section of the shaft; for locking fluid, refer to Electronic parts catalogue.
23. Fit new nut (3) on shaft (4) and tighten.
24. Rivet (1) the bracket with the motor to the backrest frame (2).

Other AUDI procedures

• Removing and installing toothed belt · 56 torque figures
• Removing engine · 41 torque figures
• Removing camshaft timing chain from camshafts · 38 torque figures
• Installing engine · 36 torque figures
• Removing and installing camshaft timing chain · 29 torque figures
• Checking wiring and components with isolator box, 198-pin VAS 6606
• Removing and installing clutch valve for all-wheel drive N445 or clutch valve 2 for all-wheel drive N446, 0BE, 0BF
• Removing and installing side airbag with side airbag igniter on driver side N199 or side airbag igniter on front passenger side N200
• Removing and installing exhaust gas temperature sender 1 G235 - vehicles with one turbocharger
• Removing and installing exhaust gas temperature sender 3 G495 - vehicles with one turbocharger