Overview - Crankcase Ventilation

WARNING: This page is about a different car, the 2024 Audi Q5 e, 2024 Audi Q5, 2023 Audi Q5 e, and 2023 Audi Q5. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Exploded View Of Crankcase Ventilation

Courtesy of AUDI

Cylinder Head Cover
Hose
- To the EVAP Canister Purge Regulator Valve 1 -N80-
Seal
- Not available separately; replace if leaking -item 4- OVERVIEW - CRANKCASE VENTILATION or damaged
Hose
- For the crankcase ventilation
- To the turbocharger
Tank Ventilation Pressure Sensor 1 -G950-
- Removing and Installing. Refer to Tank Ventilation Pressure Sensor 1 -G950-, REMOVING AND INSTALLING .
O-Ring
- Not available separately; replace if leaking -item 5- OVERVIEW - CRANKCASE VENTILATION or damaged
Bolt
- Tightening Specifications and Sequence. Refer to Fig 2.
- Thread cutting
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 Sequence

Courtesy of AUDI

Existing Threads:

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

New Tapping Threads:

-- Install the bolts to 11 Nm in the sequence -1 to 7-.