Removing Engine From Transmission

Information 

• When removing the engine, ensure that the torque converter in the automatic transmission does not slip out of the transmission.
• Keep the torque converter pressed in position using a screwdriver when removing the engine.

Information 

• Some of the repair illustrations show only one side of the vehicle or a similar component.
• Naturally, some steps also have to be performed on the opposite side of the vehicle as well.

Information 

The pictures shown in this document may differ from the original.

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Engine/transmission assembly 

1. Detach holder -1-  for ATF lines at the front of the engine.

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   Holder for ATF lines at front of engine 

2. Detach holder -1-  for ATF lines at the rear of the engine.

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   Holder for ATF lines at rear of engine 

3. Loosen clamps -1-  for the coolant hoses -2-  on the left of the transmission. Pull off coolant hoses.

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   Coolant hoses on left 

4. Unscrew fastening screws -1-  for coolant line holder -2-  , bend holder to one side.

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   Holder for coolant lines 

5. Unclip the wire harness -1-  for the oxygen sensors on the left cylinder head cover out of the holder -2-  .

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   Wire harness for left oxygen sensor 

6. Unclip wire harness -1-  from oxygen sensors on the right from the holders -2-  .

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   Wire harness for right oxygen sensor 

7. Spray the fastening screws on the primary catalytic converter with penetrating oil and leave to take effect.

   Loosen the fastening screws -1-  on the catalytic converter.

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   Primary catalytic converters 

8. Loosen the fastening screws -1-  for the holders -2-  of the left and right primary catalytic converters -3-  .

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   Holder for primary catalytic converter 

9. Loosen the fastening screws -1-  on the left and right for the rear holders -2-  of the catalytic converters on the transmission.

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   Holder for catalytic converters 

10. Remove the catalytic converters and set them aside.
11. Remove the front cardan shaft.

    > WM 390219 REMOVING AND INSTALLING FRONT CARDAN SHAFT (ALL MODELS)

12. Release the electric plug connection -1-  of the crankshaft pulse sender at the bottom of the transmission -a-  and pull it off -A-  .

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    Plug connection for crankshaft pulse sender 

    Loosen the tie-wrap at the coolant line holder on the left if necessary.

13. Unclip the hose -1-  for the transmission vent from the holder -2-  .

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    Transmission vent hose 

14. Loosen the clamp -1-  for the coolant hose -2-  to the ATF heat exchanger on the right and pull off the hose from the connection piece.

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    Right coolant line 

15. Pull off vacuum hose -1-  for the vacuum supply at the T-piece -2-  .

    Unclip the vacuum line -3-  from the holder -4-  .

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    Vacuum supply 

16. Remove plug -1-  used to seal the converter assembly opening.

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    Removing plug used to seal converter assembly opening 

17. Remove converter screws. To do this, read and follow he next steps.

    > WM 325019 REMOVING AND INSTALLING TORQUE CONVERTER (CAYENNE, CAYENNE GTS, CAYENNE TURBO S, CAYENNE S, CAYENNE S E-HYBRID, CAYENNE TURBO, CAYENNE (3.0))

18. Turn crankshaft clockwise using special tool > 9714 - Socket wrench insert  .
19. Insert special tool > 9595 - Dowel pins  into the front bore on the converter bell housing -arrow-  and hold upwards with slight pressure until it engages when the crankshaft is turned.

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    Disconnecting converter screws 

20. Position special tool > 9688 - Insert bit  on the converter screw through the opening in the engine block and connect bit snap-on head and special tool > 9687 - Insert  one after the other.

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    Opening for converter screws 

21. Remove special tool > 9595 - Dowel pins  before loosening the converter screws.
22. Unscrew converter screw and twist out.
23. Complete the steps described above for the other five screws.
24. Secure engine to the lifting tackle and to the workshop crane > Securing engine to workshop crane  .

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    Securing engine to workshop crane 

25. Secure the transmission with a wooden block to prevent it from tipping over.

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    Wooden block placed underneath 

26. Lift the engine/transmission unit until the four screws on the two engine mounts can be removed.

    > 103519 Removing and installing engine mount - REMOVING 

27. Slowly lower the engine/transmission unit onto the wooden block. The engine is still suspended securely on the workshop crane.
28. Loosen the fastening screws -1-  for the transmission to the engine.

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    Loosening transmission from engine 

29. Remove engine from transmission. Press the torque converter off the drive plate with a screwdriver if necessary.
30. Remove the engine from the transmission at the lifting crane.

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    Transmission without engine on lifting platform