Audi A6 Typ 4G: Overview - Rear Seat Pneumatic System
Note
For repair instructions and test methods for pneumatic components. Refer to → Chapter "Pneumatic System, Checking".
1 - Valve Block 2 in Driver Side Rear Seat -N480-
- Front passenger side: Valve Block 2 in Passenger Side Rear Seat -N482-
- Removing and installing. Refer to → Chapter "Massage Mat Valve Block, Removing and Installing".
2 - Left Rear Multi-contour Seat Compressor -V441- with the Integrated Driver Side Rear Multi-contour Seat Control Module -J875-
- Front passenger side Right Rear Multi-contour Seat Compressor -V442- with the integrated Passenger Side Rear Multi-contour Seat Control Module -J874-
- Removing and installing. Refer to → Chapter "Compressor with Multi-contour Seat Control Module, Removing and Installing".
3 - Module Carrier with Air Cushions For Lumbar Support
- Overview. Refer to → Chapter "Overview - Pneumatic System, Module Carrier/Air Cushion/Lumbar Support".
4 - Massage Mat
- In the backrest cushion
- Overview. Refer to → Chapter "Overview - Pneumatic System, Massage Mat".
5 - Valve Block 1 in Driver Side Rear Seat -N479-
- Front passenger side: Valve Block 1 in Passenger Side Rear Seat -N481-
- Removing and installing. Refer to → Chapter "Valve Block 1 in Driver Side Rear Seat -N479-/Valve Block 1 in Passenger Side Rear Seat -N481-, Removing and Installing".
6 - Valve Block 3 In Driver Side Rear Seat -N525-
- Front passenger side: Valve Block 3 In Passenger Side Rear Seat -N526-
- Removing and installing. Refer to → Chapter "Massage Mat Valve Block, Removing and Installing".
Connection Diagram - Rear Seat Pneumatic System
1 - Air Cushion for the Lumbar Support
2 - Left Rear Multi-contour Seat Compressor -V441- with the Integrated Driver Side Rear Multi-contour Seat Control Module -J875-
- Front passenger side Right Rear Multi-contour Seat Compressor -V442- with the integrated Passenger Side Rear Multi-contour Seat Control Module -J874-
3 - Valve Block 1 in Driver Side Rear Seat -N479-
- Front passenger side: Valve Block 1 in Passenger Side Rear Seat -N481-
4 - Massage Mat
- In the backrest cushion
5 - Massage Mat
- In the backrest cushion
6 - Valve Block 3 In Driver Side Rear Seat -N525-
- Front passenger side: Valve Block 3 In Passenger Side Rear Seat -N526-
7 - Valve Block 2 in Driver Side Rear Seat -N480-
- Front passenger side: Valve Block 2 in Passenger Side Rear Seat -N482-
Overview - Rear Seat Pneumatic System, Module Carrier/Air Cushion/Lumbar Support
1 - Bolt
- Quantity: 2
- 2.5 Nm
2 - Air Cushion for the Lumbar Support
- Removing and installing. Refer to → Chapter "Air Cushion for Lumbar Support, Removing and Installing".
- Connect the pneumatic lines. Refer to → Chapter "Pneumatic Lines, Disconnecting and Connecting"
3 - Expanding Rivet
- Quantity: 4
4 - Module carrier
- Removing and installing. Refer to → Chapter "Module Carrier, Removing and Installing".
5 - Rubber Buffer
- Solenoid valve block mount
- Quantity: 4
6 - Valve Block 1 in Driver Side Rear Seat -N479-
- Front passenger side: Valve Block 1 in Passenger Side Rear Seat -N481-
- Allocation. Refer to the Parts Catalog.
- Removing and installing. Refer to → Chapter "Valve Block 1 in Driver Side Rear Seat -N479-/Valve Block 1 in Passenger Side Rear Seat -N481-, Removing and Installing".
- Connect the pneumatic lines. Refer to → Chapter "Pneumatic Lines, Disconnecting and Connecting"
7 - Seat Frame
Overview - Rear Seat Pneumatic System, Massage Mat
1 - Massage Mat
- Removing and installing. Refer to → Chapter "Massage Mat, Removing and Installing".
- Press in the pneumatic lines until they audibly engage
- Pull to check whether the coupling is locked in correctly
2 - Clip
- Quantity: 2
- Replace
3 - Backrest Cushion
- Removing and installing. Refer to → Chapter "Cover and Cushion, Separating".
4 - Valve Block 2 in Driver Side Rear Seat -N480-/Valve Block 3 in Driver Side Rear Seat -N525-
- For massage mat
- Front passenger side: Valve Block 2 in Passenger Side Rear Seat -N482-/Valve Block 3 in Passenger Side Rear Seat -N526-
- Removing and installing. Refer to → Chapter "Massage Mat Valve Block, Removing and Installing".
- Connect the pneumatic lines. Refer to → Chapter "Pneumatic Lines, Disconnecting and Connecting"
- Press in the pneumatic lines until they audibly engage
- Pull to check whether the coupling is locked in correctly
