DSG Transmission MECHATRONIC -J743- Overview

Fig 1: DSG Transmission Mechatronic -J743- Overview

Courtesy of AUDI OF AMERICA, LLC

1. ATF Drain Plug
   • Tightening specification, refer to Specifications
2. Seal
   • Replace
3. Bolt
   • Tightening specification and sequence, refer to Fig 2
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
   • Replace
   • Tightening specification and sequence, refer to Fig 3
7. O-rings
   • Replacing, only for the ATF pressure pipe (clutch pressure) made out of metal
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.
   • Metal ATF pressure pipe: replace the O-rings on the ATF pressure pipes.
   • Plastic ATF pressure pipe (single unit): replace the ATF pressure pipe.
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, only for the ATF pressure pipe (clutch pressure) made out of metal
12. O-rings
    • Replace
13. ATF Oil Pipes
    • Different versions, depending on date of manufacture
14. O-rings
    • Replace
15. O-ring
    • Replace
    • 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
    • Replace
18. ATF Filter Cover
    • 8 Nm
    • For transmissions with a replaceable ATF filter
19. ATF Filter
    • Replace each time the ATF is changed and after performing a repair on the transmission
    • Removing and installing, refer to ATF FILTER 
20. Bolt
    • 10 Nm
    • Quantity: 3
    • For transmissions with a replaceable ATF filter
21. O-rings
    • Replace
    • For transmissions with a replaceable ATF filter
22. ATF Return Pipe
    • For transmissions with a replaceable ATF filter
    • Removing and installing, refer to Removal and Installation
23. ATF Supply Pipe
    • For transmissions with a replaceable ATF filter
    • Removing and installing, refer to Removal and Installation
24. Bolt
    • Tightening specification, refer to Specifications
    • 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 Removal and Installation
27. Bolt
    • Tightening specification, refer to Removal and Installation
    • For transmissions with an ATF pipe filter
28. O-rings
    • Replace
    • 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 Removal and Installation
31. ATF Fill and Check Plug
    • Tightening specification, refer to Specifications
32. O-rings
    • Replace
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, only for ATF pipes made out of metal
37. ATF Oil 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.
    • Metal ATF pipe: replace the O-rings on the ATF pipes.
    • Plastic ATF pipe (single unit): replace the ATF pipe.
38. Bolt
    • 8 Nm
    • Quantity: 5
39. Wiring Set for Sensor Module
    • Removing and installing, refer to SENSOR MODULE -- WITH TRANSMISSION INPUT SPEED SENSOR -G612-, -G632-, -G676- AND CIRCUIT BOARD 3 -- .
    • Replace if the sensor module -- is replaced.
40. O-ring
    • Replace
41. ATF Suction Filter
    • Removing and installing, refer to ATF SUCTION FILTER 
42. DSG Transmission Mechatronic -J743-
    • Removing and installing, refer to DSG TRANSMISSION MECHATRONIC -J743- 
      • After replacing the DSG transmission Mechatronic --, the corresponding "Guided Functions" must be performed using the vehicle diagnostic tester, refer to General Information .
      • Remove the circuit board from the DSG transmission Mechatronic --. Refer to MECHATRONIC CIRCUIT BOARDS OVERVIEW 
43. Gasket
    • Replace
    • Installing AUTOMATIC TRANSMISSION FLUID OIL PAN 
44. ATF Pan
    • Removing and installing, refer to AUTOMATIC TRANSMISSION FLUID OIL PAN .

Fig 2: ATF Oil Pan, Tightening Specification And Sequence

Courtesy of AUDI OF AMERICA, LLC

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

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

-- Tighten the bolts -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 following sequence: -1 to 6-.