Installing servo motor for rear-differential lock

Information 

Information for replacing the final drive/servo motor.

• If the final drive as well as the servo motor (control unit) is replaced, there is no need to reload data (classification data)  .
• Classification data can be read out of the control unit using the PIWIS Tester  .
• If only the servo motor is replaced, the classification data must be re-written into the control unit  .
• Classification data can be found on the final-drive housing  .

1. Installation is performed in reverse order. Pay particular attention to the following:

   Information 

   • Replace O-rings.
   • Grease O-rings with a light coating of Kluber Syntheso Glep.
   1. 1.1. Replace sealing ring on servo motor shaft.
   2. 1.2. Tightening torque: Tightening torque 13 Nm (9.5 ft. lb.) 

      Courtesy of PORSCHE CARS NORTH AMERICA, INC.