Front seat lumbar support chamber (with adjustable backrest section) (Range Rover 3)

Dismantling

1. Remove the seat assembly.

SEATS, REPAIR WORK, Front seat.



2. Release the 3 seat back panel tensioner straps under the seat.



3. Remove the 2 screws securing the lower decorative trim of the backrest.

4. Release the lower cover from the 6 fasteners and remove it.

The article is based on information from the website (www.LRman.ru)



5. Disconnect the 2 tension cords from the upper part of the seat back upholstery.



6. Release the Velcro tape securing the backrest upholstery.



7. Remove the trim from the backrest upholstery trim.

8. Release the cover from the 4 fasteners and remove it.



9. Carefully remove the 2 fasteners securing the headrest to the electric motor housing.

10. Remove the headrest.



11. Release the strap securing the seat back upholstery to the lower frame.





12. Disconnect the connectors from the headrest adjustment motors and the upper backrest cushion.



13. Disconnect the lumbar support cable connector from the pump and valve.

14. Release the wiring harness from the 4 clamps.



15. Disconnect the connector block from the seat heater cable.

16. Release the 2 straps securing both sides of the lower seat back trim to the frame.



17. Remove the 2 Torx screws securing the backrest frame to the seat frame.

18. Remove the backrest assembly from the seat frame.



19. Release the 4 straps securing both sides of the backrest assembly to the frame.

20. Disconnect the 3 connector blocks from the seat heater circuit.

21. Lift the front edge of the backrest upholstery to gain access to the lumbar support chamber.

22. Disconnect the vacuum hose and pressure hose from the working chamber.

23. Remove the lumbar support working chamber.

Assembly

1. Install and secure the lumbar support working chamber to the frame.

2. Connect the vacuum hose and pressure supply hose to the working chamber.

3. Pull the backrest upholstery onto the frame.

4. Connect the 3 connectors to the seat heater connectors.

5. Fasten the 4 straps securing both sides of the backrest upholstery to the frame.

6. Install the backrest assembly onto the seat.

7. Align the backrest frame with the seat frame, install the Torx screws and tighten them to 25 Nm.

8. Install the fixing straps to the sides of the lower part of the backrest upholstery.

9. Connect the connector to the seat heater connector.



10. Secure the backrest cables to the clips.

11. Connect the lumbar support cable connectors to the pump and valve.

12. Connect the cable connectors to the connectors of the headrest and upper backrest adjustment motors.

13. Fasten the strap securing the lower part of the backrest upholstery to the frame.

14. Install the headrest and secure it to the motor housing.

15. Install the top cover and secure it with the clips.

16. Attach the back upholstery trim to the overlay.

17. Fasten the Velcro to the backrest upholstery.

18. Attach 2 tension cords to the upper part of the backrest upholstery.

19. Install the bottom cover and secure it with the clips.

20. Tighten the screws securing the lower backrest trim.

21. Attach the backrest panel tension straps to the fasteners on the bottom of the seat.

22. Install the seat assembly into the vehicle.

SEATS, REPAIR WORK, Front seat.