Overview - Crankcase Ventilation, AUDI RS6 / RS7 / A8 / RSQ8 / Sq8 / Sq7

Fig 1: Exploded View Of Crankcase Ventilation (RS6 / RS7 / A8 / RSQ8 / SQ8 / SQ7)

Courtesy of AUDI OF AMERICA, LLC

1. Seal
   • Replace after removing
2. Hose
   • For the crankcase ventilation
   • There are different versions. Refer to the appropriate Electronic Parts Information.
   • Replace if damaged or leaking
   • Replacing. Refer to CRANKCASE VENTILATION HOSE, REPLACING .
3. O-Ring
   • Not available separately; replace if leaking  OVERVIEW - CRANKCASE VENTILATION, AUDI RS6 / RS7 / A8 / RSQ8 / SQ8 / SQ7 or damaged
4. Bolt
   • 9 Nm diagonally
5. Oil Separator
   • For cylinder bank 1 (right)
   • Removing and Installing. Refer to OIL SEPARATOR, REMOVING AND INSTALLING .
6. O-Ring
   • Grey
   • Not available separately; replace if leaking  OVERVIEW - CRANKCASE VENTILATION, AUDI RS6 / RS7 / A8 / RSQ8 / SQ8 / SQ7 or damaged
7. O-Ring
   • Red
   • Not available separately; replace if leaking  OVERVIEW - CRANKCASE VENTILATION, AUDI RS6 / RS7 / A8 / RSQ8 / SQ8 / SQ7 or damaged
8. Hose
   • For the crankcase ventilation
9. Bolt
   • 9 Nm diagonally
10. Grommet
11. Seal
    • Replace if damaged
12. Cap
13. Oil Separator
    • For cylinder bank 2 (left)
    • Removing and Installing. Refer to OIL SEPARATOR, REMOVING AND INSTALLING .
14. O-Ring
    • Grey
    • Not available separately; replace if leaking  OVERVIEW - CRANKCASE VENTILATION, AUDI RS6 / RS7 / A8 / RSQ8 / SQ8 / SQ7 or damaged
15. O-Ring
    • Red
    • Not available separately; replace if leaking  OVERVIEW - CRANKCASE VENTILATION, AUDI RS6 / RS7 / A8 / RSQ8 / SQ8 / SQ7 or damaged
16. Hose
    • For the crankcase ventilation
17. O-Ring
    • Grey
    • Not available separately; replace if leaking  OVERVIEW - CRANKCASE VENTILATION, AUDI RS6 / RS7 / A8 / RSQ8 / SQ8 / SQ7 or damaged
18. O-Ring
    • Red
    • Not available separately; replace if leaking  OVERVIEW - CRANKCASE VENTILATION, AUDI RS6 / RS7 / A8 / RSQ8 / SQ8 / SQ7 or damaged
19. Hose
    • For the crankcase ventilation
    • Disconnect and connect the hose:
      • Audi RS6/RS7. Refer to Fig 2.
      • Audi A8. Refer to Fig 3.
      • Audi RSQ8 / SQ8 / SQ7. Refer to Fig 4.
    • Replacing. Refer to CRANKCASE VENTILATION HOSE, REPLACING, EXCLUDING ENGINE CODES DWKA/DWLA/DWNB/DWPA/DWRB .
    • Replacing. Refer to CRANKCASE VENTILATION HOSE, REPLACING, ENGINE CODES DWKA/DWLA/DWNB/DWPA/DWRB .
20. Seal
    • Replace after removing
21. Hose
    • For the crankcase ventilation
    • There are different versions. Refer to the appropriate Electronic Parts Information.
22. Bolt
    • 9 Nm
23. Bolt
    • 9 Nm
24. Bracket
    • There are different versions. Refer to the appropriate Electronic Parts Information.
25. Crankcase Ventilation Valve -N546-
    • There are different versions. Refer to the appropriate Electronic Parts Information.
26. Connection
    • With check valve
27. Bolt
    • 9 Nm
28. O-Ring
    • Replace after removing

Fig 2: Crankcase Ventilation Hose on the Upper Air Duct Pipe

Courtesy of AUDI OF AMERICA, LLC

Fig 3: Crankcase Ventilation Hose on the Upper Air Duct Pipe

Courtesy of AUDI OF AMERICA, LLC

Fig 4: Crankcase Ventilation Hose on the Upper Air Duct Pipe

Courtesy of AUDI OF AMERICA, LLC