Removing and Installing Transmission
Removing and installing transmission
Preliminary work
Preliminary work for removing transmission
1. Disconnect battery.
2. Remove engine guard.
3. Remove the starter.
4. Remove front cardan shaft.
5. Remove rear cardan shaft.
6. Remove transfer gear.
Removing transmission
Warning
Hot fluid
^ Danger of scalding
- Let the fluid cool down.
- Wear personal protective gear.
1. Remove heat shield on all-wheel final drive.
Heat shield on all-wheel final drive
2. Remove fastening screws -arrows- on heat shields on transmission and remove shield.
Right heat shield
3. Remove converter screw -arrow- through the opening on the starter using 3/8" - 5/16" bit connector and Torx T55 bit screwdriver insert NR.42-1.
Starter opening with converter screw
4. Turn the crankshaft further for the next converter screw using a socket-wrench insert 9714.
Turning V6 engine
5. Remove safety clip -A- on selector lever cable and use a universal removal tool NR.21 to lever the cable off the ball head -arrow-.
Selector lever cable connection
6. Unscrew coolant pipe fastening screws on converter bell housing.
Coolant pipes on converter bell housing
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!
7. Disconnect ATF lines from the transmission. To do this, unscrew screw -arrow- and remove lines.
ATF line on transmission
8. Unscrew fastening screw for ATF line holder on converter bell housing.
ATF line on transmission
9. Unscrew fastening screws securing transmission to engine. This involves unscrewing four screws on the engine side and six on the transmission side.
View of the flange, at interface of transmission and engine
10. Remove transmission. Disconnect vent line -arrows- for the transfer gear while doing this.
Vent line on transmission
Installing transmission
Warning
Hot fluid
^ Danger of scalding
- Let the fluid cool down.
- Wear personal protective gear.
Information
^ The adaptation values must be reset using the Porsche System Tester when the transmission is renewed/replaced. Code Tiptronic control unit.
Information
^ To position the converter to the screwed opening in the driver plate, insert special tool centering pin into -Arrows- converter and move transmission in.
Centering pin in converter
1. Run in transmission. Connect vent line -arrows- for the transfer gear and insert special tool centering pin 9689 into the converter.
Vent line to transmission
2. Screw in fastening screws used to secure transmission to engine. This involves screwing in four screws on the engine side and six on the transmission side.
-1- - - Tightening torque: 80 Nm (59 ftlb.)
Fastening screws securing transmission to engine
-2a- - - Tightening torque: 80 Nm (59 ftlb.)
-2- - - Tightening torque: 80 Nm (59 ftlb.)
-3- - - Tightening torque: 45 Nm (33 ftlb.)
-4- - - Tightening torque: 80 Nm (59 ftlb.)
-5- - - Tightening torque: 80 Nm (59 ftlb.)
3. Install transfer gear.
4. Screw in new converter screws through the opening in the starter using special tool 3/8" - 5/16" bit connector and Torx T55 bit screwdriver insert NR.42-1. - Tightening torque: 85 Nm (63 ftlb.)
Starter opening with converter screw
5. Turn the crankshaft further for the next converter screw using a socket-wrench insert 9714.
Turning V6 engine
6. Attach safety clip -A- to the selector lever cable and press cable on to the ball head -arrow-.
Cable connection to transmission
7. Press selector lever cable connection on to ball head -arrow-.
8. Fit sealing caps -2- into the converter bell housing from below.
Caps on bottom of converter bell housing
9. Screw in coolant pipe fastening screws on converter bell housing -arrows-. - Tightening torque: 9 Nm (6.5 ftlb.)
Coolant pipes on converter bell housing
10. Screw in fastening screw securing ATF line to transmission -arrow-. - Tightening torque: 25 Nm (19 ftlb.)
ATF line on transmission
11. Attach ATF line holder to converter bell housing. - Tightening torque: 10 Nm (7.5 ftlb.)
12. Install starter.
13. Screw in fastening screws -arrows- used to secure heat shields to transmission. - Tightening torque: 10 Nm (7.5 ftlb.)
Heat shield on transmission
14. Install heat shield on all-wheel final drive -arrows-. - Tightening torque: 10 Nm (7.5 ftlb.)
Heat shield on all-wheel final drive
15. Unscrew ATF inspection plug -2- and fill in ATF until a constant discharge is visible at the lifting tube.
Oil drain and inspection plug
16. Screw in ATF inspection plug -A-. - Tightening torque: 70 Nm (52 ftlb.)
Subsequent work
Subsequent work for installing transmission
1. Install the starter.
2. Install front cardan shaft.
3. Install transfer gear.
4. Install rear cardan shaft.
5. Connect battery.
6. Check and if necessary, top up ATF.
7. Fit engine guard.