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Home >> Audi >> 2024 >> S3 Premium Plus >> Repair and Diagnosis >> External Pages >> Different car >> Section 102 (Turbocharger, Supercharger) >> 21 Turbocharger, Supercharger >> Turbocharger >> Overview - Turbocharger >> Overview - Turbocharger, Part 2

Overview - Turbocharger, Part 2

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GWWN21-11119Courtesy of AUDI OF AMERICA, LLC
  1. Bolt
    • 9 Nm
  2. O-Ring
    • Replace after removing
  3. Washer
    • Installed, depending on the version
  4. Nut
    • Replace after removing
    • Coat the threaded pins with hot bolt paste. Refer to the Parts Information.
    • Tightening specification and sequence. Refer to Figure.
  5. Locking Plate
    • Quantity: 2
    • Replace after removing
    • Installing. Refer to Fig 2.
  6. Bolt
    • 9 Nm
  7. Bolt
    • 9 Nm
  8. Bolt
    • 9 Nm
  9. Coolant Return Line
  10. Threaded Pin
    • 9 Nm
  11. Nut
    • 10 Nm
  12. Oil Supply Line
  13. Coolant Supply Line
  14. Bolt
    • 9 Nm
  15. Seal
    • Replace after removing
  16. Threaded Pin
    • Screw-in depth and tightening specification. Refer to Fig 1.
  17. Bolt
    • 9 Nm
  18. Turbocharger

Check the screw-in depth of the threaded pin

Fig 1: Check the Screw-in Depth of the Threaded Pin
GWWA21-11651Courtesy of AUDI OF AMERICA, LLC

-- Tighten the threaded pin -1- to 23 Nm.

-- Measure the dimension -a- of the sealing surface of the cylinder head to the collar on the threaded pin.

Install the locking plates

Fig 2: Install the Locking Plates
GWWA21-11469Courtesy of AUDI OF AMERICA, LLC

The locking plates are pressed onto the nuts using the following tools:

-- Press on the locking plates for easy accessible nuts using the 1 /2 "- Socket - 14mm and the hammer.

-- Press on the locking plates for difficult accessible nuts using the Wrench - 14 mm and the pry bar, at the same time support the pry bar on the turbocharger.