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Home >> Audi >> 2020 >> SQ8 Premium Plus >> Repair and Diagnosis >> External Pages >> Different car >> Section 134 (Gears, Shafts) >> 35 Gears, Shafts >> Output Shaft >> Overview - Output Shaft >> Overview - Output Shaft, Synchronization >> Overview - Synchronization

Overview - Synchronization

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Fig 1: Output Shaft, Synchronization Exploded View
GWWA35-10591Courtesy of AUDI
  1. 2nd Gear Assembly
  2. Inner Race
    • For 2nd gear assembly
    • Do not interchange with the inner race for 1st gear assembly / 3rd gear
  3. Intermediate Ring
    • For 2nd gear assembly
    • Do not interchange with the intermediate ring for 1st gear assembly / 3rd gear
  4. Synchronizer Ring
    • For 2nd gear assembly
    • Do not interchange with the synchronizer ring for 1st gear assembly / 3rd gear
    • Replace if there are grooves or scoring
  5. Thrust Piece
    • Quantity: 3
  6. Synchronizer Hub
    • For the 2nd gear assembly / reverse gear assembly
    • Vehicles with self-locking center differential: pressing off. Refer to Figure.
    • Vehicles without self-locking center differential: pressing on. Refer to Figure.
    • Installing. Refer to Figure.
  7. Locking Collar
    • For the 2nd gear assembly / reverse gear assembly
    • Installation position: the bevel of the locking collar -arrow- points to the 2nd gear assembly
  8. Synchronizer Ring
    • For reverse gear assembly
  9. Reverse Gear Assembly
  10. Bearing Bracket
  11. 1st Gear Assembly
  12. Inner Race
    • For 1st Gear Assembly
    • Do not interchange with the inner race for the 2nd gear assembly / 3rd gear
  13. Intermediate Ring
    • For 1st Gear Assembly
    • Do not interchange with the intermediate ring for 2nd gear assembly / 3rd gear
  14. Synchronizer Ring
    • For 1st Gear Assembly
    • Do not interchange with the synchronizer ring for 2nd gear assembly / 3rd gear
  15. Synchronizer Hub
    • For 1st Gear Assembly / 3rd Gear Assembly
    • Vehicles with self-locking center differential: pressing off. Refer to Figure.
    • Vehicles without self-locking center differential: pressing on. Refer to Figure.
    • Installing. Refer to Figure.
  16. Thrust Piece
    • Quantity: 3
  17. Locking Collar
    • For 1st Gear Assembly / 3rd Gear Assembly
  18. Synchronizer Ring
    • For 3rd gear assembly
    • Do not interchange with the synchronizer ring for 1st gear assembly / 2nd gear
  19. Intermediate Ring
    • For 3rd gear assembly
    • Do not interchange with the intermediate ring for 1st gear assembly / 2nd gear
  20. Inner Race
    • For 3rd gear assembly
    • Do not interchange with the inner race for 1st gear assembly / 2nd gear
  21. 3rd Gear Assembly

    Installation position of the synchronizer rings for 1st gear assembly, 2nd gear and 3rd gear

    Fig 2: Installation Position of the Synchronizer Rings for 1st Gear Assembly, 2nd Gear and 3rd Gear
    GWWA35-10594Courtesy of AUDI

    1 -  Synchronizer Ring

    2 -  Intermediate Ring

    3 -  Inner Race

    4 -  Gear Assembly

    The splines -arrow a- of the synchronizer ring and the inner races must align.

    The splines -arrow B- of the intermediate ring and the gear assembly must be flush.

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