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Home >> Audi >> 2021 >> SQ8 Prestige >> Repair and Diagnosis >> External Pages >> Different car >> Section 221 (Crankshaft, Cylinder Block (Servicing 8-Cylinder 4.0L 4V TFSI Engine Ea825)) >> 13 Crankshaft, Cylinder Block >> Cylinder Block, Belt Pulley Side >> Overview - Cylinder Block, Belt Pulley Side >> Overview - Cylinder Block, Belt Pulley Side, Starter Generator Belt Drive

Overview - Cylinder Block, Belt Pulley Side, Starter Generator Belt Drive

WARNING: This page is about a different car, the 2024 Audi SQ7 and 2023 Audi SQ7. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Exploded View Of Cylinder Block, Belt Pulley Side, Starter Generator Belt Drive
GWWA13-11404Courtesy of AUDI OF AMERICA, LLC
  1. Ribbed Belt
  2. Tensioner
  3. Bolt
    • Replace after removing
    • 8 Nm +45°
  4. Bracket
    • For the Starter Generator Coolant Pump -V621-
    • installed depending on the model
  5. Bolt
    • For -Item  4-
    • 20 Nm
  6. Starter Generator -C29-
  7. Bolt
  8. Nut
  9. Threaded Pin
  10. Bracket
  11. Bolt
    • 20 Nm
  12. Alignment Sleeve
    • Quantity: 2
  13. Friction Disc (Diamond Disc)
    • for the connection security between the vibration damper and the crankshaft stub (cannot be delivered separately)
    • Included in a delivery package -Item  14-, cannot be delivered separately
  14. Vibration Damper
  15. Bolt
    • Replace after removing
    • Tightening Specifications
      • Pre-tightening 50 Nm
      • Final tightening specification 100 Nm +180°

Starter generator belt path

Fig 2: Starter Generator Belt Path
GWWA13-11301Courtesy of AUDI OF AMERICA, LLC
  1. Starter Generator
  2. Upper Tensioning Roller
  3. Vibration Damper
  4. Lower Tensioning Roller