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Home >> Audi >> 2007 >> A3 Base, Standard >> Repair and Diagnosis >> Engine Mechanical >> Blowers, Superchargers & Turbochargers >> 2.0L - Turbocharger, Supercharger - Engine Code(S): BPY >> 21 Turbocharger, Supercharger >> Description And Operation >> Turbocharging Diagram

Turbocharging Diagram

Fig 1: Exhaust Turbocharging (Engine Codes AXX, BPY, BWA) Overview Plan
GWWN21-10028Courtesy of AUDI OF AMERICA, LLC
  1. Pressure Cell
  2. Wastegate Bypass Regulator Valve -N75-
  3. Turbocharger Recirculating Valve -N249-
  4. Turbocharger
  5. Brake Booster
  6. Non-Return Valve
  7. Coolant Connection
  8. Vacuum Pump
  9. Non-Return Valve
  10. Oil Filter Bracket
  11. Evaporative Emnission (EVAP) Canister Purge Regulator Valve 1 -N80-
  12. Double Check-Valve
  13. Charge Air Cooler
  14. Throttle Valve Control Module -J338-
  15. Pressure Regulator Valve
  16. To the EVAP Canister
  17. Mass Air Flow (MAF) Sensor -G70-
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