Overview - Pneumatic System, Multi-Contour Seat Through 08/2012
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NOTE:
For repair instructions and test methods for pneumatic components. Refer to PNEUMATIC LINES, SERVICING .
- Seat Bolster Inflation Adjustment
- Overview. Refer to OVERVIEW - PNEUMATIC SYSTEM, SEAT-/BACKREST BOLSTER ADJUSTER .
- Driver Multi-contour Seat Compressor -V439-
- Front passenger side: Front Passenger Multi-contour Seat Compressor -V440-
- Overview. Refer to OVERVIEW - COMPRESSOR, MULTI-CONTOUR SEAT THROUGH 08/2012 .
- Backrest Bolster Inflation Adjuster
- Overview. Refer to OVERVIEW - PNEUMATIC SYSTEM, SEAT-/BACKREST BOLSTER ADJUSTER .
- Check Valve
- Depending on the version, separate component or integrated in the multi-contour seat control module
- Remove the external check valve if installing a Multi-contour seat control module that contains a check valve. Refer to the Parts information.
- Massage Mat
- Integrated in the backrest cushion; if defective replace backrest cushion. Refer to BACKREST COVER AND CUSHION, SEPARATING .
- Overview. Refer to OVERVIEW - BACKREST CUSHION MASSAGE MAT, MULTI-CONTOUR SEAT THROUGH 08/2012 .
- Driver Multi-contour Seat Control Module -J873-
- Front passenger side: Front Passenger Multi-contour Seat Control Module -J872-
- The connection for the restrictor is deleted on the Original Replacement Part with an integrated check valve and the separate check value must be removed. Refer to the Parts information.
- Overview. Refer to OVERVIEW - VALVE BLOCK/MODULE CARRIER/LUMBAR SUPPORT/FAN, MULTI-CONTOUR SEAT THROUGH 08/2012 .
- Valve Block 1 in Driver Seat -N475-
- For massage mat
- Front passenger side: Valve Block 1 in Front Passenger Seat -N477-
- Overview. Refer to OVERVIEW - BACKREST CUSHION MASSAGE MAT, MULTI-CONTOUR SEAT THROUGH 08/2012 .
- Pulsation Damper
- Module Carrier with Air Cushions for Lumbar Support
- Cannot be disassembled
- Overview. Refer to OVERVIEW - VALVE BLOCK/MODULE CARRIER/LUMBAR SUPPORT/FAN, MULTI-CONTOUR SEAT THROUGH 08/2012 .
- Valve Block 2 in Driver Seat -N476-
- For massage mat
- Front passenger side: Valve Block 2 in Front Passenger Seat -N478-
- Overview. Refer to OVERVIEW - BACKREST CUSHION MASSAGE MAT, MULTI-CONTOUR SEAT THROUGH 08/2012 .