Overview - Pneumatic System

Fig 1: Exploded View Of Front Seat Pneumatic System

Courtesy of AUDI OF AMERICA, LLC

Bracket
- For the multi-contour seat compressor
Rubber Buffer
Bracket
- For the multi-contour seat compressor
Multi-Contour Seat Compressor
- Removing and Installing. Refer to Driver Multi-Contour Seat Compressor -V439- /Front Passenger Multi-Contour Seat Compressor -V440-, REMOVING AND INSTALLING .
Air Cushion
- For the lumbar support
- Removing and Installing. Refer to LUMBAR SUPPORT AIR CUSHION, REMOVING AND INSTALLING .
Clip
- Replace after removing
Lumbar Support
- Only available together with -item : Air Cushion and -item : Front Multi-Contour Seat Control Module
- Removing and Installing. Refer to LUMBAR SUPPORT, REMOVING AND INSTALLING .
Rubber Buffer
Front Multi-Contour Seat Control Module
- Available only with -item : Lumbar Support
O-Ring
- Replace after removing

Tightening Specification - Lumbar Support to Backrest Frame

Fig 2: Lumbar Support to Backrest Frame

Courtesy of AUDI OF AMERICA, LLC

-- Tighten the bolt -arrow A- to 6.5 Nm.