Audi Q7: Overview - Pneumatic System

Overview - Pneumatic System, Compressor

1 - 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-
• Removing and installing. Refer to → Chapter "Pneumatic Seat Compressor, Removing and Installing".

2 - Rubber Bracket

• For the supercharger
• Quantity: 2

3 - Bracket

• For seat trim at the front
• Removing and installing. Refer to → Chapter "Front Seat Trim Bracket, Removing and Installing".

4 - Front Seat

5 - Bolt

• Quantity: 2
• Tightening specification. Refer to -item 1-

6 - Rubber Bracket

• For the supercharger

7 - Angle Piece for Pneumatic Line

8 - O-Ring

• Replace after removing

Overview - 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 - Clips

• To secure the massage mat
• Quantity: 3
• Replacing

3 - Cushion

• Removing and installing. Refer to → Chapter "Backrest Cover and Cushion, Separating".

4 - Valve Block 2 in Driver Seat -N476-

• Front passenger side: Valve Block 2 in Front Passenger Seat -N478-
• For massage mat
• Removing and installing. Refer to → Chapter "Valve Block 2 in Driver Seat -N476-/ Valve Block 2 in Front Passenger Seat -N478-, Removing and Installing".
• Connect the pneumatic lines. Refer to → Chapter "Pneumatic Lines, Disconnecting and Connecting"

5 - Rubber Buffer

• Valve block mount
• Quantity: 4

6 - O-Ring

• Replace after removing

7 - Hose Connector Coupling

• 4-pin

8 - Hose Connector Coupling

• 2-pin

9 - Hose Connector Coupling

• 4-pin

10 - Pneumatic Line

Overview - Pneumatic System, Module Carrier/Lumbar Support/Seat Bolster Adjuster

1 - Seat Frame

2 - Seat bolster inflation adjustment

• Quantity: 2
• Removing and installing. Refer to → Chapter "Seat Bolster Adjuster Air Cushion, Removing and Installing".

3 - Expanding Clip

4 - Bolt

• 2.5 Nm

5 - Module Carrier

• Module carrier with air cushions for lumbar support
• Removing and installing. Refer to → Chapter "Valve Block 1 in Driver Seat -N475-/ Valve Block 1 in Front Passenger Seat -N477- and Air Cushions, Removing and Installing".

6 - Backrest Bolster Inflation Adjuster

• Quantity: 2
• Removing and installing. Refer to → Chapter "Valve Block 1 in Driver Seat -N475-/ Valve Block 1 in Front Passenger Seat -N477- and Air Cushions, Removing and Installing".

7 - Bolt

• 2.5 Nm

8 - Valve Block 1 in Driver Seat -N475-

• Front passenger side: Valve Block 1 in Front Passenger Seat -N477-
• Removing and installing. Refer to → Chapter "Valve Block 1 in Driver Seat -N475-/ Valve Block 1 in Front Passenger Seat -N477- and Air Cushions, Removing and Installing".

9 - Rubber Buffer

• Quantity: 4

10 - Rubber Bracket

• For blower fan
• Quantity: 4

11 - Driver Seat Backrest Blower Fan -V388-

• Front passenger side: Front Passenger Seat Backrest Blower Fan -V389-
• Removing and installing. Refer to → Chapter "Backrest Fan, Removing and Installing".

12 - Bolt

• 6.5 Nm

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