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Home >> Audi >> 2025 >> S4 Premium >> Repair and Diagnosis >> Engine Mechanical >> Blowers, Superchargers & Turbochargers >> Turbocharger, Supercharger (Servicing - 6-Cylinder 2.9L; 3.0L 4V TFSI Ea839 Engine) >> 21 Turbocharger, Supercharger >> Charge Air System >> Overview - Charge Air System >> Overview - Charge Air System, 3.0L Engine-Side Version 1 >> Audi Q7/Q8: intake hose with connection piece and crankcase ventilation hose

Audi Q7/Q8: intake hose with connection piece and crankcase ventilation hose

Fig 1: Identifying Intake Hose And Crankcase Ventilation Hose Components
GWWA21-11656Courtesy of AUDI OF AMERICA, LLC
  1. Crankcase Ventilation Hose
  2. Connection Piece with O-ring  Seal
  3. Crankcase Ventilation Hose (inseparable)
  4. Intake Hose
  5. Screw-Type Clamp, Tightening Specification. Refer to OVERVIEW - CHARGE AIR HOSE CONNECTIONS .