Overview - Suspension Strut, Shock Absorber, Spring And Air Spring

Fig 1: Exploded View Of Suspension Strut, Shock Absorber, Spring And Air Spring

Courtesy of AUDI OF AMERICA, LLC

1. Rear Lower Transverse Link
2. Air Spring
   • Removing and Installing. Refer to SPRING, REMOVING AND INSTALLING, AIR SPRING .
   • Installation position. Refer to Fig 2.
3. O-Ring
   • Replace if leaking
4. Air Line
   • If the air line is removed from a component, check if the cutting ring is seated on the air line.
   • Connecting piece tightening specification. Refer to OVERVIEW - AIR LINES .
5. Retainer

Air Spring Installed Position 

Fig 2: Air Spring Installed Position

Courtesy of AUDI OF AMERICA, LLC

-- When filling the air suspension system check the installation position of the air suspension system:

• The positioning pins for the air spring -2- must engage at the top in the holes in the body -3- and at the bottom in the holes in the rear transverse link -4-.
• The catches -arrows- must engage audibly in the rear lower transverse link.
• The catches must engage with the retainer -1-.

Shock Absorber 

Fig 3: Exploded View Of Shock Absorber

Courtesy of AUDI OF AMERICA, LLC

1. Nut
   • Always replace after removing
   • Tightening specification. Refer to -Item  ) OVERVIEW - SUSPENSION STRUT, SHOCK ABSORBER, SPRING AND COIL SPRING - List Item: Nut.
2. Rear Lower Transverse Link
   • Removing and Installing. Refer to REAR LOWER TRANSVERSE LINK, REMOVING AND INSTALLING .
3. Shock Absorber
   • Because of different shock absorber valve systems, only install new shock absorbers from the same manufacturer on both axles, if possible.
   • Removing and Installing. Refer to SHOCK ABSORBER, REMOVING AND INSTALLING .
4. Connector
5. Grommet
6. Cap
7. Nut
   • 35 Nm
   • Always replace after removing
8. Shock Absorber Mount
9. Bolt
   • 50 Nm + 90°
   • Always replace after removing
10. Additional Spring
11. Protective Cover
    • Installed in the groove on the additional spring
12. Bolt
    • Always replace after removing