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Home >> Audi >> 2021 >> S5 Premium, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 486 (Turbocharger, Supercharger - (Servicing - 8-Cylinder 4.0L 4V TFSI Engine Ea825)) >> 21 Turbocharger, Supercharger >> Charge Air System >> Overview - Charge Air System >> Overview - Charge Air System, Engine-Side, AUDI RSQ8 / Sq8 / Sq7

Overview - Charge Air System, Engine-Side, AUDI RSQ8 / Sq8 / Sq7

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2023 Audi SQ8, 2023 Audi RS Q8, 2022 Audi SQ8, 2022 Audi RS Q8, and 2021 Audi SQ8. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Exploded View Of Charge Air System, Engine-Side, Audi RSQ8 / SQ8 / SQ7
GWWA21-11658Courtesy of AUDI
  1. Bolt
    • Quantity: 3
    • 7 Nm
  2. Right Lower Air Duct Pipe on Throttle Valve Control Module:
  3. O-Ring
    • Replace after removing
  4. Throttle Valve Control Module -GX3- Cylinder Bank 1 (right)
  5. Bolt
    • Quantity: 2
    • 9 Nm
  6. Right lower air duct pipe on the turbocharger
  7. O-Ring
    • Replace after removing
  8. Air Duct Hose
  9. Right Upper Air Duct Pipe
  10. Bolt
    • Quantity: 3
    • 9 Nm
  11. Seal
    • Replace after removing
  12. Turbocharger
  13. Turbocharger
  14. Seal
    • Replace after removing
  15. Bolt
    • Quantity: 3
    • 9 Nm
  16. Left Upper Air Duct Pipe
    • There are different versions. Refer to the appropriate Electronic Parts Information.
    • Removing and installing. Refer to AIR DUCT PIPE, REMOVING AND INSTALLING .
    • Disconnect and connect the crankcase ventilation hose. Refer to Fig 2.
  17. Air Duct Hose
  18. O-Ring
    • Replace after removing
  19. Right lower air duct pipe on the turbocharger
  20. Bolt
    • Quantity: 2
    • 9 Nm
  21. Throttle Valve Control Module 2 -GX4- Cylinder Bank 2 (left)
  22. O-Ring
    • Replace after removing
  23. Bolt
    • thread cutting
    • Position the bolt by hand and tighten it until it finds the old threads. Then tighten the bolt to the specification.
    • 3.5 Nm
  24. Bracket
    • For the air duct pipe
  25. Left Lower Air Duct Pipe on Throttle Valve Control Module
  26. Bolt
    • Quantity: 3
    • 7 Nm
  27. Air Duct Hose
  28. Bolt
    • Quantity: 2
    • 6 Nm
  29. Bracket
    • For 48 V: Wire to the starter generator

Crankcase Ventilation Hose on the Upper Air Duct Pipe, Rest of World Market Versions Excluding Engine Codes DWNB/DWRB

Fig 2: Crankcase Ventilation Hose on the Upper Air Duct Pipe
GWWA21-11367Courtesy of AUDI

The crankcase ventilation hose -2- cannot be removed from the air duct pipe -1- without damage (example image).

-- Pry out the crankcase ventilation hose carefully using a screwdriver at the same time do not damage the air duct pipe.

-- Attach the new crankcase ventilation hose until it audibly locks on the air duct pipe.

Crankcase Ventilation Hose on the Upper Air Duct Pipe, North American Versions Excluding Engine Codes DWNB/DWRB

Fig 3: Crankcase Ventilation Hose on the Upper Air Duct Pipe
GWWA21-11367Courtesy of AUDI
CAUTION:

Risk of a violating emissions legislation on USA vehicles by the intake of leaked air.

- Do not open the hose connection on the crankcase ventilation.

-- Do not disconnect the hose -2- for the crankcase ventilation (example image).