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Home >> Audi >> 2022 >> Q3 Premium Plus >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Lubrication System >> Lubrication Servicing 2.0L >> 17 Lubrication >> Crankcase Ventilation >> Overview - Crankcase Ventilation

Overview - Crankcase Ventilation

Fig 1: Exploded View Of Crankcase Ventilation
GWWA17-10771Courtesy of AUDI OF AMERICA, LLC
  1. Cylinder Head Cover
  2. Seal
    • Replace after removing
  3. Hose
    • To the EVAP Canister Purge Regulator Valve 1 -N80-
  4. Oil Separator
  5. Seal
    • Replace after removing
  6. Hose
    • For the crankcase ventilation
    • To the turbocharger
  7. Bolt
    • 4 Nm
    • Thread cutting
  8. Seal
    • Replace after removing
  9. Bolt
    • Thread cutting
    • Tightening Specifications and Sequence
      • Rest of World version. Refer to Fig 2.
      • China market version. Refer to Fig 3.

Oil Separator - Tightening Specification and Sequence, Rest of World Version 

Fig 2: Oil Separator - Tightening Sequence
GWWA17-11178Courtesy of AUDI OF AMERICA, LLC

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-.

Oil Separator - Tightening Specification and Sequence, China Market Version 

Fig 3: Oil Separator - Tightening Sequence (China Market Version)
GWWA17-11179Courtesy of AUDI OF AMERICA, LLC

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-.