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Home >> Audi >> 2012 >> A7 >> Repair and Diagnosis >> Engine Mechanical >> Blowers, Superchargers & Turbochargers >> 3.0L - Turbocharger & Supercharger - Engine Code(S): CGXB & CTUA >> 21 Turbocharger, Supercharger >> Compressor >> Overview - Supercharger

Overview - Supercharger

Fig 1: Identifying Supercharger Overview
GWWA21-10268Courtesy of AUDI OF AMERICA, LLC
  1. Engine Lifting Eye
  2. Bolt
    • 27 Nm
  3. Compressor
  4. Insulation Plate
  5. Bolt
    • 5 Nm
  6. Rubber Grommet
    • Quantity: 2
  7. Intermediate Flange
  8. Bolt
    • Tightening specification, refer to Fig 2.
  9. Throttle Valve Control Module -J338-
  10. O-Rings
    • Replacing
  11. Connection
  12. Bolt
    • Tightening specification and sequence, refer to Fig 3.
  13. Bracket
    • For change-over valves
  14. Bolt
    • 9 Nm
  15. Bolt
    • Tightening specification and sequence, refer to Fig 3.
  16. Intermediate Flange
  17. Control Valve Control Unit -J808-
  18. Bleed Screw
    • 1.5 to 3.0 Nm
    • For the left charge air cooler
  19. Bolt
    • Tightening specification, refer to Fig 5.
  20. Intake Air Temperature Sensor -G42-
  21. O-Rings
    • Replacing
  22. Nut
    • 20 Nm
  23. O-Ring
    • Replacing
  24. Threaded Pin
    • 17 Nm
  25. Bolt
    • 10 Nm
    • Replacing
    • Self-locking
    • always clean the threaded holes with a thread tap before assembling
  26. Charge Air Pressure Sensor
  27. Seals
    • Replacing
  28. O-Ring
    • Replacing
    • Quantity 2
  29. Connection
    • For the crankcase ventilation
    • Installed position, refer to Fig 6
  30. O-Ring
    • Replacing
    • Quantity 2
Fig 2: Locating Throttle Valve Control Module -J338-
GWWA24-10294Courtesy of AUDI OF AMERICA, LLC
Fig 3: Control Valve Control Unit -J808- - Tightening Specification And Sequence
GWWA24-10753Courtesy of AUDI OF AMERICA, LLC
Fig 4: Control Valve Control Unit -J808- - Tightening Specification And Sequence
GWWA24-10753Courtesy of AUDI OF AMERICA, LLC
Fig 5: Identifying Connector -1- & Intake Air Temperature Sensor/Manifold Absolute Pressure Sensor Bolts
GWWA24-10295Courtesy of AUDI OF AMERICA, LLC
Fig 6: Identifying Installation Of Crankcase Ventilation Connector
GWWA17-10432Courtesy of AUDI OF AMERICA, LLC