Removing and installing backrest adjustment motor V45 / V46 — AUDI

🧭 Before you start

Fits: platform code FV

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• Use a water-proof felt-tip pen to make mark (arrow B) on outer backrest frame (1) directly at front edge (arrow A) of fitting (3).

📋 Procedure

1. ⚠ Observe safety precautions when working on pyrotechnic components .Before handling airbag units (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. — Remove front seat .
2. Attach front seat to seat repair standVAS 6136.
3. Remove seat side trim (tunnel side) .
4. Remove seat side trim (sill side) .
5. Detach padding from outer backrest frame in area of backrest fitting .

6. Mark angular position of backrest fittings (left and right) on front seat as follows:
7. Use a water-proof felt-tip pen to make mark (arrow B) on outer backrest frame (1) directly at front edge (arrow A) of fitting (3).
8. Remove clamping washer (2) from adjuster shaft.
9. Pull adjuster shaft (1) out of outer backrest frame in direction of (arrow).
10. Unplug electrical connector (2).
11. Unscrew bolt (3) and detach backrest limit switch (4).
12. Pull adjuster shaft (1) out of outer backrest frame (arrow).
13. Unplug electrical connector (3) at backrest adjustment motor.
14. Unscrew bolt (2) and detach backrest adjustment motor (4).
15. ⚠ Observe safety precautions when working on pyrotechnic components .Before handling pyrotechnic components (e.g. plugging in the electrical connector) the mechanic must discharge any static electricity. This can be done by briefly touching the door striker plate, or similar.Observe all measures to be taken when installing the front seat . — Check position of outer backrest frame (1) and fitting (3) on left and right side of backrest.
16. If the outer backrest frame is not in the correct position (on both sides), make adjustments as required.
17. Position backrest adjustment motor (4).
18. First slide adjuster shaft through fitting (tunnel side) as far as mounting in backrest adjustment motor.
19. Check that profiles of inserted adjuster shaft and mounting in backrest adjustment motor are in line.
20. If this is not the case, apply an external 12 V power supply to backrest adjustment motor and rotate mounting until profiles of shaft and mounting are in line.
21. Push adjuster shaft (1) through mounting in backrest adjustment motor as far as backrest limit switch (sill side) (arrow).
22. Tighten bolt (2) for backrest adjustment motor.
23. Position backrest limit switch (4).
24. Push adjuster shaft (1) through mounting in backrest adjustment limit switch as far as stop (sill side) (arrow).
25. Tighten bolt (3) for backrest limit switch.
26. Plug in electrical connector (2).
27. Press new clamping washer (2) onto adjuster shaft as far as stop.

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