Overview - MECHATRONIC

Fig 1: Overview Of DSG Transmission Mechatronic

Courtesy of AUDI OF AMERICA, LLC

1. ATF Drain Plug
   • Tightening specification: 45Nm
2. Seal
   • Replacing
3. Bolt
   • Tightening specification and sequence. Refer to Fig 2
   • Replacing
4. Expanding Rivet
   • For attaching the gasket to the ATF oil pan
   • Not required for installation
5. Magnet
   • Quantity: 2
   • Insert into the depression in the ATF oil pan
   • Make sure the entire surface contacts oil pan
6. Bolt
   • Replacing
   • Tightening specification and sequence. Refer to Fig 3
7. O-Rings
   • Replacing
8. ATF Pressure Pipes (Coupling Pressure)
   • Depending on the date of manufacture, versions may be different. The ATF pressure pipe (clutch pressure) in transmissions of the new version are a single unit and made out of plastic.
   • Plastic ATF pressure pipes are backward compatible.
   • Replacing
9. Retaining Plate
   • Only for the ATF pressure pipe (clutch pressure) made out of metal
10. Bolt
    • 10 Nm
    • Only for the ATF pressure pipe (clutch pressure) made out of metal
11. O-Rings
    • Replacing
12. O-Rings
    • Replacing
13. ATF Pipes
    • Different versions, depending on date of manufacture
14. O-Rings
    • Replacing
15. O-Ring
    • Replacing
    • Different versions, depending on date of manufacture
16. ATF Filter Housing
    • For transmissions with a replaceable ATF filter
    • Different versions, depending on date of manufacture
17. O-Ring
    • For transmissions with a replaceable ATF filter
    • Replacing
18. ATF Filter Cover
    • 8 Nm
    • For transmissions with a replaceable ATF filter
    • Note that there are different versions
19. ATF Filter
    • Replace each time the ATF is changed and after performing a repair on the transmission
    • Pay attention to the allocation. Is also called a filter
    • Refer to ATF FILTER, REMOVING AND INSTALLING 
20. Bolt
    • 10 Nm
    • Quantity: 3
    • For transmissions with a replaceable ATF filter
21. O-Rings
    • Replacing
    • For transmissions with a replaceable ATF filter
22. ATF Return Pipe
    • For transmissions with a replaceable ATF filter
    • Removing and installing. Refer to ATF FILTER, REMOVING AND INSTALLING
23. ATF Supply Pipe
    • For transmissions with a replaceable ATF filter
    • Removing and installing. Refer to ATF FILTER, REMOVING AND INSTALLING
24. Bolt
    • Tightening specification:
      • 20 Nm
      • First insert the ATF pipes with new O-rings by hand as far as the stop
      • The retaining tab on the lower ATF pipe must fit inside the threaded hole in the transmission.
      • The tab on the upper ATF pipe must align with the bottom one.
    • For transmissions with a replaceable ATF filter
25. Bolt
    • 10 Nm
    • Quantity: 3
    • For transmissions with an ATF pipe filter
26. ATF Return Pipe
    • For transmissions with an ATF pipe filter
    • Removing and installing. Refer to ATF FILTER, REMOVING AND INSTALLING
27. Bolt
    • Tightening specification:
      • 20 Nm
      • First insert the ATF pipes with new O-rings by hand as far as the stop
      • The retaining tab on the lower ATF pipe must fit inside the threaded hole in the transmission.
      • The tab on the upper ATF pipe must align with the bottom one.
    • For transmissions with an ATF pipe filter
28. O-Rings
    • Replacing
    • For transmissions with an ATF pipe filter
29. ATF Pipe Connection
    • For transmissions with an ATF pipe filter
30. ATF Pipe Filter
    • Replace the ATF pipe filter whenever replacing the transmission or repairing the transmission
    • Removing and installing. Refer to ATF FILTER, REMOVING AND INSTALLING
31. ATF Fill and Check Plug
    • Tightening specification: 45 Nm
32. O-Rings
    • Replacing
33. Bolt
    • 8 Nm
34. Connector Housing

    -- To remove, remove the bolt -33- and turn the connector housing counter-clockwise.

35. Transmission Housing
36. O-Rings
    • Replacing
37. ATF Pipes
    • Depending on the date of manufacture, versions may be different. The ATF pipes in transmissions for the new version are a single unit and made out of plastic.
    • Plastic ATF pressure pipes are backward compatible.
    • Replacing
38. Bolt
    • 8 Nm
    • Quantity: 5
39. Wiring Set for the Sensor Module
    • Removing and installing. Refer to Sensor Module --, WITH INTEGRATED TRANSMITTERS AND SENSORS -G612-, -G632-, -G676 - AND Circuit Board 3 --, REMOVING AND INSTALLING .
    • Replace if the Sensor Module -- is replaced.
40. O-Ring
    • Replacing
41. ATF Suction Filter
    • Removing and installing. Refer to ATF FILTER, REMOVING AND INSTALLING .
42. DSG Transmission Mechatronic -J743-
    • Removing and installing. Refer to MECHATRONIC, REMOVING AND INSTALLING .
    • Tightening specification and sequence Fig 3.
      • Perform the relevant "Guided Function  " using the vehicle diagnostic tester after replacing the DSG Transmission Mechatronic -J743-.
    • Remove the circuit board from the DSG Transmission Mechatronic -J743-. Refer to OVERVIEW - MECHATRONIC CIRCUIT BOARDS .
43. Seal
    • Replacing
    • Installing. Refer to OIL PAN SEAL - INSTALLING .
44. ATF Pan
    • Removing and installing. Refer to OIL PAN, REMOVING AND INSTALLING .

Fig 2: ATF Oil Pan And Bolt

Courtesy of AUDI OF AMERICA, LLC

-- Tighten the bolts in two stages as described below.

-- Install the bolts -arrows- hand-tight.

-- Tighten the screws -1 through 15- diagonally to 10 Nm and in steps.

Fig 3: Identifying Mechatronic, Tightening Sequence

Courtesy of AUDI OF AMERICA, LLC

-- Tighten the bolts to 10 Nm in the sequence -1 to 6-.