Transmission Assembly Overview

2012 Volkswagen Jetta TDI, 4D Sedan, Standard TransSECTION Transmission Assembly Overview
WARNING: This page is about a different car, the 2016 Volkswagen Beetle, 2015 Volkswagen Beetle, 2014 Volkswagen Beetle, and 2013 Volkswagen Beetle. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying Direct Shift Gearbox (DSG(R)) Overview
GWWM00-10080Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.
  1. Transmission Cover
  2. Seal
    • Replace after removing
  3. Bolt
    • Quantity: 10
    • Replace after removing
    • For attaching the DSG Transmission Mechatronic -J743- to the transmission housing
    • Tightening specification and sequence Fig 3
  4. DSG Transmission Mechatronic -J743-
  5. Bolt
    • Quantity: 5
    • Replace after removing
    • For attaching the transmission cover with seal to the transmission housing
    • Tightening specification and sequence Fig 2
  6. Clutch End Cover
  7. Dual Clutch
  8. Bleed Pipe
    • Pressed into the transmission housing
    • Replace after removing
  9. Bleed Cap
    • placed on bleed pipe
  10. Nut
    • Replace after removing
    • Torque: 20 Nm 
  11. Selector Lever
    • Insert so that master spline aligns with shift rod
  12. Seal
  13. Bolt
    • Replace after removing
    • Torque: 20 Nm +90° 
  14. Transmission Oil Cooler
  15. O-Rings
    • Replace after removing
  16. Cable Mounting Bracket
    • For selector lever cable
  17. Bolt
  18. Filter Housing
    • Torque: 20 Nm 
  19. O-Ring
    • Replace after removing
  20. Transmission Fluid Filter
  21. Transmission Input Speed Sensor -G182- and Clutch Oil Temperature Sensor -G509-
  22. Bolt
    • Replace after removing
    • Torque: 10 Nm 
  23. Alignment Pin
    • Quantity: 2
    • For centering the transmission fluid pump to the transmission housing
  24. Gasket
    • Replace after removing
  25. Transmission Oil Pump
  26. Transmission Oil Pump Cover
    • With vulcanized seal
    • Replace after removing
  27. Bolt
    • Quantity: 4
    • Replace after removing
    • Tightening specification and sequence Fig 4
  28. Bolt
    • Quantity: 4
    • Replace after removing
    • different versions, allocation.
    • Tightening specification and sequence Fig 5
  29. Overflow Pipe
    • Plastic
    • To drain the transmission fluid, remove the drain and check plugs, and remove the overflow pipe.
    • The length of the overflow pipe determines the fluid level inside the transmission
    • Torque: 3 Nm 
  30. Seal
    • Replace after removing
  31. Drain and Check Plug
    • There is an overflow pipe with a 8 mm inner hex behind this bolt
    • Drain transmission fluid above drain- and check plugs and remove the overflow pipe
    • Torque: 45 Nm 
Fig 2: Identifying Oil Pan And Fasteners
GWWA37-0672Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Tighten the screws -arrows- diagonally in steps to 16 Nm.

Fig 3: Direct Shift Gearbox (DSG) Mechatronic J743
GWWN35-10101Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.
RENDER: 1.0x

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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
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