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
5 - Massage Mat
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
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
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
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
READ NEXT:
Preparations for Checking the Lumbar Support Air Cushion for Leaks
Special tools and workshop equipment
required
Pneumatic Repair Set -VAS6618A-
Vehicle Diagnostic Tester
Note
When an a
Removing
WARNING
Follow all Safety Precautions when working with
pyrotechnic components. Refer to
→ Chapter "Pyrotechnic Components Safety Precautions".
Before handling pyrotechni
SEE MORE:
General Information
Ensure absolute cleanliness when working.
Wear safety goggles and gloves when working with refrigerant
and nitrogen.
Workshop extraction systems are to be switched on.
Use the service station to discharge the refrigerant
circuit, only then open screw connections and replac
Overview - Front Underbody Panels
1 - Nut
With retainer
2.1 Nm
2 - Expanding Clip
3 - Front Vehicle Underbody Cover
Removing and installing. Refer to
→ Chapter "Front Vehicle Underbody Cover, Removing and Installing".
4 - Nut
2.1 Nm
With re