Overview - Crankcase Ventilation

Fig 1: Exploded View Of Crankcase Ventilation

Courtesy of AUDI OF AMERICA, LLC

1. Camshaft Housing
2. Hose/Plug
   • Depending on the version
3. O-Ring
   • Equipped on some models
   • Not available separately; replace if leaking -item  2- or damaged
4. Seal
   • Always replace after removing.
5. Crankcase Ventilation Module
   • Removing and installing. Refer to CRANKCASE VENTILATION MODULE, REMOVING AND INSTALLING .
6. Grommet
7. Seal
   • Always replace if damaged
8. Cap
9. Bolt
   • Tightening Specifications and Sequence. Refer to Fig 2.
10. O-Ring
    • Not available separately; replace if leaking -item  11- or damaged
11. Hose
    • For the crankcase ventilation
    • The crankcase ventilation hose cannot be removed from the air duct pipe without damage. Refer to OVERVIEW - CHARGE AIR SYSTEM .

Crankcase Ventilation Module - Tightening Specifications and Sequence

Fig 2: Crankcase Ventilation Module - Tightening Sequence

Courtesy of AUDI OF AMERICA, LLC

-- Tighten the bolts in the sequence shown to 9 Nm.