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Home >> Audi >> 2021 >> A4 Quattro Premium Plus, 2.0L Eng VIN B >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> Controls, Housing Servicing - 7-Speed Dual Clutch Transmission >> 34 Controls, Housing >> Transmission, Disassembling And Assembling >> Overview - Transmission >> Overview - Transmission, Vehicles With Self-Locking Center Differential

Overview - Transmission, Vehicles With Self-Locking Center Differential

Fig 1: Exploded View Of Transmission, Vehicles With Self-Locking Center Differential
GWWA34-11530Courtesy of AUDI OF AMERICA, LLC
  1. Gear Set
  2. Hydraulic Pressure Reservoir
  3. Dual Clutch
  4. Flywheel
  5. Alignment Sleeve
  6. Seal
    • Replace after removing
  7. Transmission Housing Bolt
    • Replace after removing
    • Tightening specification and sequence. Refer to Fig 2.
  8. Transmission Fluid Pump
  9. Bolt
  10. Transmission Housing
  11. Seal
    • Replace after removing
  12. Oil Guide Piece Drive Axle
  13. Differential Housing Bolt
    • Replace after removing
    • Tightening Specification. Refer to -Item 8- : Bolt .
  14. Circlip
    • Replace after removing
  15. Alignment Sleeve
  16. Seal
    • Replace after removing
  17. Bolt
    • Replace after removing
    • Tightening specification and sequence. Refer to Fig 3.

Transmission Housing - Tightening Specification and Sequence 

Fig 2: Transmission Housing Bolts Tightening Sequence
GWWA34-11537Courtesy of AUDI OF AMERICA, LLC

-- Tighten the bolts in three steps in the sequence shown:

Step Bolts Tightening Specification
1 -1 to 9- Install by hand evenly until the bolt head contacts the transmission housing
2 -1 to 9- Tighten one after the other to 10 Nm + 90°
3 -Arrow- Tighten the remaining bolts clockwise to 10 Nm + 90°

Gear Set - Tightening Specification and Sequence 

Fig 3: Gear Set Tightening Sequence (Transmission)
GWWA34-11547Courtesy of AUDI OF AMERICA, LLC

-- Push the centering bracket -A- all the way in.

Bolt -6- without centering sleeve.

-- Tighten the bolts in two steps in the sequence shown:

Step Bolts Tightening Specification
1 -1 to 6- Install by hand evenly until the bolt head contacts the transmission housing
2 -1 to 6- Tighten one after the other to 15 Nm + 90°