Overview - Crankcase Ventilation

WARNING: This page is about a different car, the 2009 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Oil Check Valves And Separator Assembly Overview

Courtesy of AUDI OF AMERICA, LLC

O-Ring
- Replace
Oil Check Valve
- 20 Nm
- For oil supply to right cylinder head
Seal
- Replace
Cover with Oil Separator
- With connection for crankcase ventilation
- Removing and installing. Refer to OIL SEPARATOR, REMOVING AND INSTALLING .
Bolt
- 9 Nm
Bolt
- 9 Nm
Bolt
- 3 Nm
Hose for Crankcase Ventilation
- To the intake manifold
- Removing and installing. Refer to CRANKCASE VENTILATION HOSES, REMOVING AND INSTALLING .
Crankcase Ventilation Hose
- To the cylinder head covers
- Removing and installing. Refer to CRANKCASE VENTILATION HOSES, REMOVING AND INSTALLING .
O-Rings
- Replace
Hose for Crankcase Ventilation
- To the air guide pipe
Oil Check Valve
- 20 Nm
- For oil supply to left cylinder head
O-Ring
- Replace