Bladder - Lumbar Support - Front Seat - Models With Adjustable Upper Squab

Bladder - Lumbar Support - Front Seat - Models With Adjustable Upper Squab

Service Repair No - 78.60.02

Remove

1. Remove seat assembly.







2. Release 3 backboard tension straps from under seat.







3. Remove 2 screws securing lower squab finisher.
4. Release lower finisher from 6 retaining clips and remove.







5. Disconnect 2 tension straps securing upper squab cover.
6. Release velcro strip securing squab cover.







7. Release beading from squab cover finisher.
8. Release finisher from 4 retaining clips and remove.
9. If fitted: Disconnect headrest display unit multiplug and release harness from 4 clips.







10. Carefully release 2 retaining clips securing headrest to motor housing.
11. Remove headrest.







12. Release retaining strip securing squab cover to lower frame.







13. Disconnect multiplugs from headrest and upper squab motors.







14. Disconnect harness multiplugs from lumbar pump and valve.
15. Release squab harness from 4 retaining clips.







16. Disconnect multiplug from heated seat circuit.
17. Release 2 retaining strips, securing both sides of lower squab cover to frame.
18. Remove 2 Torx bolts securing squab frame to seat frame.
19. Remove squab assembly from seat assembly.







20. Release 4 retaining strips securing both sides of squab assembly to frame.
21. Disconnect 3 multiplugs from heated seat circuit.
22. Raise front of squab cover to gain access to lumbar bladder.
23. Disconnect vacuum and pressure pipes from bladder.
24. Remove lumbar support bladder.

Refit

1. Position and fit lumbar support bladder to frame.
2. Connect vacuum and pressure pipes to bladder.
3. Position squab cover over frame.
4. Connect 3 multiplugs to heated seat circuit.
5. Fit 4 retaining strips securing both sides of squab cover to frame.
6. Position and fit squab assembly to seat assembly.
7. Fit squab frame to seat frame, secure with Torx bolts tighten to 25 Nm (18 lbf.ft).
8. Fit retaining strips securing both sides of lower squab cover.
9. Connect multiplug to heated seat circuit.
10. Secure squab harness to retaining clips
11. Connect lumbar harness multiplugs to pump and valve.
12. Connect multiplugs to headrest and squab motor.
13. Fit retaining strip securing lower squab cover to frame.
14. Fit headrest and secure to motor housing.
15. If fitted: Connect headrest display unit multiplug and secure harness with clips.
16. Position upper finisher and secure retaining clips.
17. Secure squab cover beading to finisher.
18. Secure squab cover velcro strip
19. Connect tension straps securing upper squab cover.
20. Position lower finisher and secure retaining clips
21. Fit screws securing lower squab finisher.
22. Fit backboard tension straps to under seat retaining clips.
23. Fit seat assembly.