Valve Body: Service and Repair

WM 387719 Removing and installing electrohydraulic control unit

Technical values





Preliminary work

Preliminary work for electrohydraulic control mechanism

1. Remove pipe set in transmission. -> 381819 Removing and installing pipe set in transmission - section on "removing"

Removing the electrohydraulic control unit

1. Remove electrohydraulic control unit. To do this, unscrew fastening screws -arrows- and remove the control unit.





Control unit fastening screws

Installing the electrohydraulic control unit

Information

- Screws which are tightened with a torque angle must be replaced with new ones.

Information

- The adaptation values of the Tiptronic control unit must be reset using the Porsche System Tester when replacing/exchanging the electrohydraulic control unit. => Removing and installing the Tiptronic control unit

1. Install electrohydraulic control unit. To do this, screw in new fastening screws -Arrow-.=> Initial tightening: 6 ftlb. => Final tightening: 90 ° angle





Control unit fastening screws

Subsequent work

Subsequent work for electrohydraulic control mechanism

1. Install pipe set in transmission. -> 381819 Removing and installing pipe set in transmission - section on "installing"
2. Unscrew ATF control screw -A- and fill in ATF until a constant discharge is visible at the lifting tube.





Check screw and oil drain plug

3. Screw in ATF inspection plug -A- with new sealing ring. => Tightening torque: 52 ftlb.
4. Check and if necessary, top up the ATF. -> 370235 Checking and topping up the ATF 370235 Checking and topping up ATF