Seat Frames: Overview Volkswagen Passat B6

PNEUMATIC LUMBAR ADJUSTMENT ASSEMBLY OVERVIEW, LEATHER SPORT SEAT R36

Note. Removing and installing apply only to leather power seats. Removal and installation of the lumbar pneumatic adjuster is described for left front seat backrest frame. Removal and installation of the lumbar pneumatic adjustment on the right front seat frame is performed in the same way.

Scheme 1

1. Pump Removing, refer to «PNEUMATIC LUMBAR ADJUSTMENT PUMP, R36 LEATHER SPORT SEAT»(ref-460554-S07759704132012032900000)
2. Hose Supply line (yellow) for the pneumatic valve blocks
3. Distributor piece Supply branch for the second pneumatic circuit
4. Center lumbar hose Supply line (red) for the center lumbar support Outbound form the left valve block
5. Pneumatic side piece hose Pneumatic side piece supply line (blue) Outbound form the left valve block
6. Lumbar support and side piece pneumatic valve block Controls the pressure increase and decrease of the pneumatic side piece and center lumbar support Removing, refer to «PNEUMATIC LUMBAR ADJUSTMENT VALVE BLOCKS, R36 LEATHER SPORT SEAT»(ref-460554-S23702419302012032900000)
7. Lumbar pneumatic valve block Controls the pressure increase and decrease for the upper and lower lumbar support Removing, refer to «PNEUMATIC LUMBAR ADJUSTMENT VALVE BLOCKS, R36 LEATHER SPORT SEAT»(ref-460554-S23702419302012032900000)
8. Upper lumbar support hose Upper lumbar support supply line (brown) Outbound from the right valve block
9. Lower lumbar support hose Lower lumbar support supply line (green) Outbound from the right valve block
10. Pneumatic side piece Left and right Cannot be replaced separately If the side cushion is defective, then the complete backrest cushion must be replaced
11. Lower lumbar support Cannot be replaced separately If the lower cushion is defective, then the complete backrest cushion must be replaced
12. Center lumbar support Cannot be replaced separately If the center cushion is defective, then the complete backrest cushion must be replaced
13. Upper lumbar support Cannot be replaced separately If the upper cushion is defective, then the complete backrest cushion must be replaced

See also:
• FRONT SEAT CUSHION COVER AND UPHOLSTERY
• FRONT BACKREST COVER AND UPHOLSTERY, EXCEPT TRENDLINE
• FRONT BACKREST COVER AND UPHOLSTERY, TRENDLINE
• COVER AND CUSHION, R36 FRONT SPORT SEAT CUSHION
• COVER AND CUSHION, BACKREST, R36 SPORT SEAT