Overview - Crankcase Ventilation

WARNING: This page is about a different car, the 2022 Audi SQ5, 2022 Audi Q5 e, 2022 Audi Q5, and 2021 Audi Q5. 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

Cylinder Head Cover
Hose
- To the EVAP Canister Purge Regulator Valve 1 -N80-
O-Ring
- Replace if damaged or leaking
Hose
- For the crankcase ventilation
- To the turbocharger
Crankcase Pressure Sensor -G1068-
- Equipped on some models
- Removing and Installing. Refer to Crankcase Pressure Sensor -G1068-, REMOVING AND INSTALLING .
O-Ring
- Replace if damaged or leaking
Bolt
- Tightening Specifications and Sequence. Refer to Fig 2.
- Thread cutting
- Position the bolt by hand and tighten it until it finds the old threads. Then tighten the bolt to the specification.
Oil Separator
- Removing and Installing. Refer to OIL SEPARATOR, REMOVING AND INSTALLING .
Seal
- Replace after removing

Oil Separator - Tightening Specifications and Sequence

Fig 2: Oil Separator - Tightening Specifications and Sequence

Courtesy of AUDI OF AMERICA, LLC

-- Tighten the bolts to 8 Nm in the sequence -1 to 7-.