Removing and Installing Electrohydraulic Control Unit

WM 387719 Removing and installing electrohydraulic control unit





Preliminary work

Preliminary work for electrohydraulic control mechanism

1. Remove pipe set in transmission.

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.

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





Control unit fastening screws

Subsequent work

Subsequent work for electrohydraulic control mechanism

1. Install pipe set in transmission.
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.