Overview - Crankcase Ventilation

WARNING: This page is about a different car, the 2018 Audi S6, 2017 Audi S6, and 2016 Audi S6. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Exploded View Of Crankcase Ventilation Components

Courtesy of AUDI OF AMERICA, LLC

Bolt
- Tightening Specification. Refer to -Item 2) OVERVIEW - CHARGE AIR SYSTEM - Bolt .
Charge Air Cooler Housing
- With air guides
- Removing and installing. Refer to CHARGE AIR COOLER HOUSING, REMOVING AND INSTALLING .
Grommet
Bolt
- Tightening specification. Refer to -Item 32) OVERVIEW - CHARGE AIR SYSTEM - Bolt .
Seal
- Always replace
- Installed position. Refer to Fig 2
Bolt
- 3.2 Nm
Hose
- For the crankcase ventilation
Oil Separator
- Removing and installing. Refer to OIL SEPARATOR, REMOVING AND INSTALLING .
Seals
- Always replace
O-Ring
- Always replace
Pipe
- For the crankcase ventilation
Bolt
- 3.2 Nm
Hose
- For the crankcase ventilation

Fig 2: Seal Positioning

Courtesy of AUDI OF AMERICA, LLC

Insert the wide nubs -2- into the wide openings -1- and the narrow nubs into the narrow openings.