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Home >> Audi >> 2021 >> S4 Premium Plus >> Repair and Diagnosis >> Engine Mechanical >> Blowers, Superchargers & Turbochargers >> Turbocharger, Supercharger Servicing - 3.0L >> 21 Turbocharger, Supercharger >> Turbocharger >> Overview - Turbocharger >> Overview - Turbocharger, 3.0L Engine >> Part II

Part II

Part I. Refer to Part I .

Part III. Refer to Part III .

Fig 1: Exploded View Of Turbocharger, 3.0L Engine (Part II)
GWWA21-11119Courtesy of AUDI OF AMERICA, LLC
  1. Nut
    • 30 Nm
    • After loosening, replace the stud bolt -item  : Stud Bolt
  2. Tensioning Bracket
  3. Seal
    • Replace after removing
  4. Stud Bolt
    • 15 Nm
    • After loosening, replace the nut -item  : Nut
  5. Tensioning Bracket
  6. Nut
    • 30 Nm
    • After loosening, replace the stud bolt -item  : Stud Bolt
  7. Oil Return Line
    • Replace after removing
  8. Clip
  9. Air Duct Pipe
  10. Bolt
    • Tightening specification -item  : Bolt.
  11. Seal
    • Replace after removing
  12. Air Duct Pipe/Connections
    • There are different versions. Refer to the Parts Information for the allocation.
  13. Bolt
    • Tightening specification -item  : Bolt.
  14. Seal
    • Replace after removing
  15. Nut
    • Replace after removing
    • Tightening Specifications:
      • Step 1: 15 Nm
      • Step 2: 30 Nm
      • Step 3: After finishing the procedures, tighten the nuts to 30 Nm
  16. Turbocharger
  17. Screw-Type Clamp
    • 20 Nm
    • Replace after removing
  18. Seal
    • Replace after removing
  19. Coupling
    • If a new turbocharger is installed, replace the coupling
  20. Nut
    • Replace after removing
    • Tightening Specifications:
      • Step 1: 15 Nm
      • Step 2: 30 Nm
      • Step 3: After finishing the procedures, tighten the nuts to 30 Nm
  21. Seal
    • Replace after removing
  22. Stud Bolt
    • 15 Nm
    • After loosening, replace the nut -item  : Nut