Overview - Crankcase Ventilation

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Fig 1: Overview Of Crankcase Ventilation

Courtesy of AUDI OF AMERICA, LLC

Sealing Plug
- 20 Nm
Seal
- Replace
Cover with Oil Separator
- With connection for crankcase ventilation
- Removing and installing, refer to OIL SEPARATOR, REMOVING AND INSTALLING .
Bolt
- 9 Nm
O-Ring
- Replace
- USA vehicles: quantity 2
Connection
- For the crankcase ventilation
- Installed position, refer to Fig 2
O-Ring
- Replace
- USA vehicles: quantity 2
Bolt
- 2.5 Nm
Bolt
- 2.5 Nm
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
Hose Clamp
Sealing Plug
- 20 Nm

Fig 2: Identifying Crankcase Ventilation Support, O-Rings And Positioning Slot

Courtesy of AUDI OF AMERICA, LLC

-- Install the crankcase ventilation connector -1- with new O-rings into the oil separator cover.

Installed position: the tab -2- must engage into the guide -arrow-.