Audi A6 Typ 4G: Overview - Front Seat Pneumatic System
Overview - Pneumatic System, Multi-contour Seat through 08/2012
Note
For repair instructions and test methods for pneumatic components.
Refer to
→ Chapter "Pneumatic Lines, Servicing".

1 - Seat Bolster Inflation Adjustment
- Overview. Refer to
→ Chapter "Overview - Pneumatic System, Seat-/Backrest Bolster Adjuster".
2 - Driver Multi-contour Seat Compressor -V439-
- Front passenger side: Front Passenger Multi-contour Seat Compressor
-V440-
- Overview. Refer to
→ Chapter "Overview - Compressor, Multi-contour Seat through 08/2012".
3 - Backrest Bolster Inflation Adjuster
- Overview. Refer to
→ Chapter "Overview - Pneumatic System, Seat-/Backrest Bolster Adjuster".
4 - 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 Catalog.
5 - Massage Mat
- Integrated in the backrest cushion; if defective replace backrest
cushion. Refer to
→ Chapter "Backrest Cover and Cushion, Separating".
- Overview. Refer to
→ Chapter "Overview - Backrest Cushion Massage Mat, Multi-contour Seat
through 08/2012".
6 - 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 Catalog.
- Overview. Refer to
→ Chapter "Overview - Valve Block/Module Carrier/Lumbar Support/Fan,
Multi-contour Seat through 08/2012".
7 - Valve Block 1 in Driver Seat -N475-
- For massage mat
- Front passenger side: Valve Block 1 in Front Passenger Seat -N477-
- Overview. Refer to
→ Chapter "Overview - Backrest Cushion Massage Mat, Multi-contour Seat
through 08/2012".
8 - Pulsation Damper
9 - Module Carrier with Air Cushions for Lumbar Support
- Cannot be disassembled
- Overview. Refer to
→ Chapter "Overview - Valve Block/Module Carrier/Lumbar Support/Fan,
Multi-contour Seat through 08/2012".
10 - Valve Block 2 in Driver Seat -N476-
- For massage mat
- Front passenger side: Valve Block 2 in Front Passenger Seat -N478-
- Overview. Refer to
→ Chapter "Overview - Backrest Cushion Massage Mat, Multi-contour Seat
through 08/2012".
Overview - Pneumatic System, Multi-contour Seat from 09/2012
Note
For repair instructions and test methods for pneumatic components.
Refer to
→ Chapter "Pneumatic System, Checking".

1 - Left Seat Bolster Inflation Adjuster
- Overview. Refer to
→ Chapter "Overview - Pneumatic System, Seat-/Backrest Bolster Adjuster".
2 - Left Backrest Bolster Inflation Adjuster
- Overview. Refer to
→ Chapter "Overview - Pneumatic System, Seat-/Backrest Bolster Adjuster".
3 - Valve Block 2 in Driver Seat -N476-
- Front passenger side: Valve Block 2 in Front Passenger Seat -N478-
- For massage mat
- Overview. Refer to
→ Chapter "Overview - Backrest Cushion Massage Mat, Multi-contour Seat
from 09/2012".
4 - Valve Block 1 in Driver Seat -N475-
- Front passenger side: Valve Block 1 in Front Passenger Seat -N477-
- For lumbar support and side wall adjuster
- Overview. Refer to
→ Chapter "Overview - Valve Block/Module Carrier/Lumbar Support/Fan,
Multi-contour Seat from 09/2012".
5 - Massage Mat
- Overview. Refer to
→ Chapter "Overview - Backrest Cushion Massage Mat, Multi-contour Seat
from 09/2012".
6 - Valve Block 3 in Driver Seat -N523-
- Front passenger side: Valve Block 3 in Front Passenger Seat -N524-
- For massage mat
- Overview. Refer to
→ Chapter "Overview - Backrest Cushion Massage Mat, Multi-contour Seat
from 09/2012".
7 - Right Backrest Bolster Inflation Adjuster
- Overview. Refer to
→ Chapter "Overview - Pneumatic System, Seat-/Backrest Bolster Adjuster".
8 - Right Seat Bolster Inflation Adjuster
- Overview. Refer to
→ Chapter "Overview - Pneumatic System, Seat-/Backrest Bolster Adjuster".
9 - Module Carrier, Air Cushions for Lumbar Support
- Overview. Refer to
→ Chapter "Overview - Valve Block/Module Carrier/Lumbar Support/Fan,
Multi-contour Seat from 09/2012".
10 - Driver Multi-contour Seat Compressor -V439- with Integrated Driver
Multi-contour Seat Control Module -J873-
- Front passenger side: Front Passenger Multi-contour Seat Compressor
-V440- with integrated Front Passenger Multi-contour Seat Control Module
-J872-
- Overview. Refer to
→ Chapter "Overview - Compressor, Multi-contour Seat from 09/2012".
READ NEXT:
Connection Diagram - Pneumatic System, Multi-contour Seat through 08/2012
1 - Driver Multi-contour Seat Compressor -V439-
Front passenger side: Front Passenger Multi-contour Seat Compres
Overview - Compressor, Multi-contour Seat through 08/2012
1 - Nut
3.5 Nm
Quantity: 3
Brace rubber-metal mount while tightening
2 - Spring Washer
Quantity: 3
3 -
Overview - Valve Block/Module Carrier/Lumbar Support/Fan, Multi-contour
Seat through 08/2012
1 - Driver Seat Backrest Blower Fan -V388-
Front passenger side: Front Passenger Seat Backre
SEE MORE:
Overview - ATF Circuit
1 - ATF Cooler
2 - Bolt
9 Nm
3 - Bracket
For the ATF cooler
4 - Cover
8 Nm
For the replaceable ATF filter
Different versions depending on the date of manufacture, pat
attention to the correct allocation.
5 -&n
Body Tail Lamp, Aligning, Sedan
Adjustment in Direction of Travel:
- Turn the light switch to position "0".
- Remove the cover -2- from the
tail lamp assembly in direction of -arrow
A-.
- Remove the bolts -3 and 4-.
Note
Ignore -item 1 and arrow B-.
- Turn the adjustin