Overview - Pneumatic System

WARNING: This page is about a different car, the 2023 Audi S3, 2023 Audi RS 3, 2023 Audi A3 Quattro, and 2023 Audi A3. However, it is still accessible from the selected car via links, so may be relevant.

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 5- and -item 9-
- Removing and Installing. Refer to LUMBAR SUPPORT, REMOVING AND INSTALLING .
Rubber Buffer
Front Multi-Contour Seat Control Module
- Available only with -item 7-
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.