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Home >> Audi >> 2021 >> A4 Quattro Premium Plus, 2.0L Eng VIN B >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> Gears, Shafts Servicing - 7-Speed Dual Clutch Transmission >> 35 Gears, Shafts >> Gears And Shafts, Disassembling And Assembling >> Overview - Gear Set >> Overview - Gear Set, Vehicles With Self-Locking Center Differential

Overview - Gear Set, Vehicles With Self-Locking Center Differential

Fig 1: Exploded View Of Gear Set, AWD Vehicles (0CK, 0CJA, 0CLA, 0DN & 0DPA)
GWWA34-11531Courtesy of AUDI OF AMERICA, LLC
  1. Oil Pipe
  2. Bolt
    • M6 X 30
    • Replace after removing
    • 3 Nm +90°
  3. Gear Positioner with:
  4. Seal
    • Replace after removing
  5. Oil Pan
    • Replace after removing
  6. Bolts
    • M6 X 30
    • Replace after removing
    • 3 Nm +90°
  7. Needle Bearing
    • Bearing "31"
  8. Seal
    • Replace after removing
  9. Hydraulic Pressure Reservoir
  10. Bolts
    • Replace after removing
    • Tightening specification and sequence. Refer to Fig 2.
  11. Bearing Bracket with Roller Bearing
    • Bearing "N"
    • Tightening specification and sequence. Refer to Fig 2.
  12. Gear Set
  13. Needle Bearing
    • Bearing "33"
  14. Bolts
    • M6 X 50
    • Gearshift rail gear actuator module
    • 6 Nm +30°

Gear Actuator, Pressure Reservoir, Gear Carrier - Tightening Specification and Sequence

Fig 2: Gear Positioner, Pressure Reservoir and Gear Carrier Tightening Sequence
GWWA34-11532Courtesy of AUDI OF AMERICA, LLC

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

Step Bolts Tightening Specification/Additional Turn
1 -1 to 9- 3 Nm
2 -1 to 6- 90° (M6 X 30)
3 -7 to 9- 5 Nm
4 -7 to 9- 120° (M6 X 40)