373519 Removing and installing transmission
WM 373519 Removing and installing transmission
Tools
Technical values
Preliminary work
Preliminary work for removing transmission
1. Remove covers in engine compartment to the right and rear. => 700219 Removing and installing front trim (engine compartment) - section on "Removing"
2. Remove Y-shaped pipe. => 243519 Removing and installing air box for throttle housing (Y-shaped pipe) - section on "Removing"
3. Remove engine guard. => 108019 Removing and installing engine guard - section on "Removing"
4. Remove exhaust system. => 260119 Removing and installing exhaust system - section on "Removing"
5. Remove rear cardan shaft. => 393519 Removing and installing rear cardan shaft - section on "Removing"
6. Remove front cardan shaft. => 390219 Removing and installing front cardan shaft - section on "Removing"
7. Remove catalytic converter on left side. => 267619 Removing and installing primary catalytic converter - section on "Removing"=> 267619 Removing and installing primary catalytic converter - Cayenne Turbo - section on "Removing"
Removing transmission
Information
- The line connections on the transmission and the ends of the ATF lines must be closed off after the lines have been separated from the transmission.
1. Moving selector lever to position N
2. Remove torque converter support on engine side.
Torque converter support screw
Torque converter support
3. Remove heat shield on the left of the transmission. To do this, unscrew three fastening screws -arrow-.
Left heat shield
4. Remove heat shield on the right of the transmission. To do this, unscrew three fastening screws -arrow-.
Right heat shield
5. Remove transfer gear. => 396519 Removing and installing transfer gear - section on "Removing"
6. Support engine-transmission unit on converter bell housing with a (material) 00000 on the suspension subframe.
Supporting engine/transmission unit
7. Remove heat shield on the steering gear.
Heat shield on steering gear
8. Pull off plug connections on Tiptronic transmission -1,2,3-.
Tiptronic plug connections
9. Remove reference mark sender on the converter bell housing -arrow-.
Reference mark sender
10. Unscrew coolant pipe holder screws -arrows- on the converter bell housing.
Coolant pipes on converter bell housing
11. Remove retaining clip -A- on the holder.
Selector lever cable connection
12. Unscrew selector lever cable from the ball joint with universal disassembly tool NR.21.
Removing selector cable
13. Remove stopper -1- used to seal the converter assembly opening.
Removing stopper from assembly opening
Information
- A second fitter is required to unscrew or screw in the converter screws.
- The converter screws must be replaced.
14. Remove converter screws. Observe the following steps for this purpose.
Removing converter screws
15. Turn crankshaft clockwise using special tool socket-wrench insert 97140.
16. Insert special tool locating pin 95950 into the front bore on the converter bell housing -arrow- and hold upwards with slight pressure until it engages when the crankshaft is turned.
17. Position special tool bit insert 96880 on converter screw through opening in the engine block, connect bit snap-on head and special insert 96870 one after the other.
Opening for converter screws
18. Remove special tool locating pin 95950 before loosening the converter screws.
19. Unscrew converter screw and twist out.
20. Complete the steps described above for the other five screws.
WARNING
Hot fluid
- Danger of scalding
-> Let the fluid cool down.
-> Wear personal protective gear.
WARNING
Hot fluid
- Danger of scalding
-> Let the fluid cool down.
-> Wear personal protective gear.
21. Loosen ATF lines and lock connections.
ATF line on transmission
22. Lift transmission using transmission jack and mounting plate on the ATF pan and secure with belts.
23. Remove Material 00000 base.
Supporting engine/transmission unit
24. Unscrew engine/transmission flange screws -arrow- and two screws on the underside.
Fastening screws securing transmission to engine
Tool recommendation
25. Disengage vent line at the upper side of the transfer gear while lowering it.
26. Gradually extend transmission.
Installing transmission
Information
- A second fitter is required to unscrew or screw in the converter screws.
- The converter screws must be replaced.
Information
- The adaptation values must be reset using the Porsche System Tester when the transmission is renewed/replaced. => Removing and installing Tiptronic control unit
Information
- Because of the limited space between the engine and the radiator, the fixing pin can only be inserted at one point.
- Insert special tool in front of the fixing point in the belt pulley and then turn towards the fixing point. To remove, turn engine back slightly and remove fixing pin.
1. Fix crankshaft using special tool locating pin 95951.
Fixing the crankshaft
2. Insert special tool centering pin 96890 into the torque converter.
Converter centering pin
3. Gradually run in transmission. Thread centering pin through and replace vent line.
4. Screw in engine/transmission flange screws -arrow- and two screws on the underside. => Tightening torque: 80 Nm (59 ftlb.)
Fastening screws securing transmission to engine
Tool recommendation
5. Remove special tool centering pin 96890 through the opening in the engine block.
6. Support transmission with a (material) 00000 between converter bell housing and suspension subframe.
Supporting the engine/transmission unit
CAUTION
Damage to converter screws due to excessive tightening torque.
-> Observe adjusting value for torque wrench. 65 Nm (48 ftlb.) on torque wrench = 85 Nm (63 ftlb.) on the screw.
7. Screw in new converter screws:
8. Place screw on special tool bit insert 96880 and screw in the first screw.
Opening for converter screws
9. Position bit snap-on head and special tool insert part 96870 and screw in screw. => Tightening torque: 85 Nm (63 ftlb.)
10. Remove special tool locating pin 95951 on the crankshaft.
11. Turn crankshaft clockwise using special tool socket-wrench insert 97140.
12. Insert special tool locating pin 95950 into the opening on the converter bell housing -arrow- and hold with light pressure until it engages when the crankshaft is turned.
Disconnecting converter screws
13. Pull out special tool locating pin 95950 before tightening to the specified tightening torque.
14. Complete the steps described above for the other screws.
15. Insert stopper -1- for converter assembly opening. To do this, moisten the groove on the stopper with water.
Stopper used to seal converter opening
16. Starting at the cut-out in the engine block -1- , press in the stopper all the way round from position -2-3-.
Stopper
17. Check the position of the stopper -2- using an inspection mirror -1-. When doing this, make sure that the sealing lip -3- makes contact all the way round.
Installation position of stopper
WARNING
Hot fluid
- Danger of scalding
-> Let the fluid cool down.
-> Wear personal protective gear.
WARNING
Hot fluid
- Danger of scalding
-> Let the fluid cool down.
-> Wear personal protective gear.
18. Position ATF lines on transmission and screw on tightly. => Tightening torque: 25 Nm (19 ftlb.)
ATF line to transmission
19. Engage selector lever cable on holder and insert safety clip -A-.
Selector lever cable connection
20. Press selector lever cable onto the ball head -arrow-.
21. Screw in fastening screws for coolant pipe holder -arrow- at the converter bell housing. => Tightening torque: 9 Nm (6.5 ftlb.)
Coolant pipes to converter bell housing
22. Install reference mark sender on the converter bell housing -arrow-. => Tightening torque: 10 Nm (7.5 ftlb.)
Reference mark sender to converter bell housing
23. Install catalytic converters on left side. => 267619 Removing and installing primary catalytic converter - section on "Installing"=> 267619 Removing and installing primary catalytic converter - Cayenne Turbo - section on "Installing"
24. Move oxygen sensor cable behind catalytic converter upwards.
25. Install heat shield on the steering gear. => Tightening torque: 10 Nm (7.5 ftlb.)
Heat shield to steering gear
26. Fit plug connections on Tiptronic transmission -1,2,3-.
Tiptronic plug connections
27. Install transfer gear => Removing and installing transfer gear.
28. Install heat shield on the right of the transmission. To do this, screw in three fastening screws -arrow-. => Tightening torque: 10 Nm (7.5 ftlb.)
Right heat shield
29. Install heat shield on the left of the transmission. To do this, screw in three fastening screws -arrow-. => Tightening torque: 10 Nm (7.5 ftlb.)
Left heat shield
30. Connect oxygen sensor cable to the plenum panel.
Cable for oxygen sensors
31. Flange torque converter support on engine side. => Tightening torque: 60 Nm (44 ftlb.)
Torque converter support screw
WARNING
Hot fluid
- Danger of scalding
-> Let the fluid cool down.
-> Wear personal protective gear.
WARNING
Hot fluid
- Danger of scalding
-> Let the fluid cool down.
-> Wear personal protective gear.
32. Unscrew ATF inspection plug -A- and fill in ATF until a constant discharge is visible at the lifting tube.
ATF pan control screw/filler screw
33. Screw in ATF inspection plug -A-. => Tightening torque: 70 Nm (52 ftlb.)
Subsequent work
Subsequent work for installing transmission
1. Fit engine guard. => 108019 Removing and installing engine guard - section on "Installing"
2. Install front cardan shaft. => 390219 Removing and installing front cardan shaft - section on "Installing"
3. Install rear cardan shaft. => 393519 Removing and installing rear cardan shaft - section on "Installing"
4. Install the exhaust system. => 260119 Removing and installing exhaust system - section on "Installing"
5. Install engine compartment cover at the right and rear. => 700219 Removing and installing front trim (engine compartment) - section on "Installing"
6. Check and if necessary, top up the ATF. => 370235 Checking and topping up ATF