Overview - Crankcase Ventilation

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2018 Audi S7, 2018 Audi RS 7, 2017 Audi S7, 2017 Audi RS 7, and 2016 Audi S7. 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) 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) 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: Self 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.