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Air flow diagram (general)

NOTE: The following list refers to items in Fig 1.
  1. - Air filter 
  2. - Mass Air Flow (MAF) Sensor-G70- 
  3. - Intake side of turbocharger, Bank 1 
  4. - Turbocharger, Bank 1 
  5. - Pressure side of turbocharger, Bank 1 
  6. - Air duct 
  7. - Intake side of turbocharger, Bank 2 
  8. - Turbocharger, Bank 2 
  9. - Pressure side of turbocharger, Bank 2 
  10. - Charge air cooler, Bank 2 
  11. - Intake manifold 
  12. - Throttle valve control module -J338- 
  13. - Charge air pressure cooler, Bank 1 
Fig 1: Air flow Vacuum Diagram (General)
G02724948Courtesy of AUDI OF AMERICA, INC.