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Home >> Audi >> 2012 >> TT Base, 2D Convertible >> Repair and Diagnosis >> Engine Mechanical >> Blowers, Superchargers & Turbochargers >> 2.0L - Turbocharger, Supercharger - Engine Code(S): CCTA & CETA (Roadster) >> 21 Turbocharger, Supercharger >> Description And Operation >> Turbocharger System Overview

Turbocharger System Overview

Fig 1: Turbocharger System Overview
GWWA21-10414Courtesy of AUDI OF AMERICA, LLC
  1. Charge Air Cooler
  2. Throttle Valve Control Module -J338-
  3. To the Evaporative Emission (EVAP) Canister
  4. EVAP Canister Purge Regulator Valve 1 -N80-
  5. Non-Return Valve
  6. Charge Air Regulation Vacuum Diaphragm
  7. Wastegate Bypass Regulator Valve -N75-
  8. Turbocharger Recirculating Valve -N249-
  9. Turbocharger
  10. To the Leak Detection Pump -V144-
    • Depending on the date of manufacture
  11. Brake Booster
  12. Non-Return Valve
  13. Vacuum Pump
  14. Mass Airflow (MAF) Sensor -G70-
  15. Air Filter Housing
  16. Intake Manifold Tuning (IMT) Valve -N156-
  17. Vacuum Diaphragm for the Variable Intake Manifold
  18. Crankcase Ventilation
  19. Non-Return Valve
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