Overview - Front Backrest, Lumbar Support

WARNING: This page is about a different variant/trim than selected.

Fig 1: Exploded View Of Front Backrest, Lumbar Support

Courtesy of AUDI

Electro-Mechanical Lumbar Support
- Manufactured by Brose
- Refer to SEATS LUMBAR SUPPORT CURVATURE ADJUSTMENT MOTOR -V125- / -V126- / SEATS LUMBAR SUPPORT HEIGHT ADJUSTMENT MOTOR -V129- / -V130-, REMOVING AND INSTALLING
Electro-Mechanical Lumbar Support
- Manufactured by Schukra
- Refer to SEATS LUMBAR SUPPORT CURVATURE ADJUSTMENT MOTOR -V125- / -V126- / SEATS LUMBAR SUPPORT HEIGHT ADJUSTMENT MOTOR -V129- / -V130-, REMOVING AND INSTALLING
Fixed Lumbar Support
- No motors
- Equipped on some models: power backrest adjustment without lumbar support
- Refer to SEATS LUMBAR SUPPORT CURVATURE ADJUSTMENT MOTOR -V125- / -V126- / SEATS LUMBAR SUPPORT HEIGHT ADJUSTMENT MOTOR -V129- / -V130-, REMOVING AND INSTALLING
Spring Mat Tension Springs
- Note the different lengths
Spring Mat
- Equipped on some models: manual backrest adjustment without lumbar support
- Refer to SPRING MAT, REMOVING AND INSTALLING
Backrest
- There are different versions. Refer to the appropriate Electronic Parts Information.
- Refer to FRONT BACKREST, REMOVING AND INSTALLING
Backrest Cover
- Bucket seat version OVERVIEW - FRONT BACKREST, LUMBAR SUPPORT.
- Removing and Installing:
  - Standard/Sport seat. Refer to BACKREST COVER, REMOVING AND INSTALLING, STANDARD/SPORT SEAT .
  - Super sport seat. Refer to BACKREST COVER, REMOVING AND INSTALLING, SUPER-SPORT SEAT .
  - Bucket seat. Refer to BACKREST COVER, REMOVING AND INSTALLING, BUCKET SEAT .
- Make sure it is engaged properly after installing
Spring Mat Tension Springs
- Note the different lengths
Bolt
- Quantity: 4
- Self-locking
- Replace after removing
- Threaded holes for the bolts must be cleaned, for example, with a thread tap
- 33 Nm
Pneumatic Lumbar Support
- Refer to LUMBAR SUPPORT AIR CUSHION, REMOVING AND INSTALLING
Bolt
- Tightening Specification. Refer to OVERVIEW - PNEUMATIC SYSTEM.
Rivet