Fluid - Transfer Case: Service and Repair

WM 399055 Changing oil for transfer gear

Tools





Technical values





Changing oil for transfer gear

Information

During servicing, the oil for the transfer gear must only be changed if the wear parameter in the transfer gear control unit is > 75 %. -> 033500 Diagnostic maintenance: diagnostic system and maintenance inter.

1. Slide oil collecting container under the vehicle.

WARNING

Hot fluid

- Danger of scalding

-> Let the fluid cool down.
-> Wear personal protective gear.

2. Unscrew the oil drain plug -2- and drain the oil.





Oil inspection plug/filler screw

3. Screw in the oil drain plug -2- with a new sealing ring. => Tightening torque: 20 Nm (15 ftlb.)
4. Unscrew the oil inspection plug -1-.





Oil inspection plug/filler screw

Information

Vehicle must be horizontal in order to fill the transfer box.

Information

Use only oil approved by Porsche.

5. Fill in oil up to the lower edge of the inspection opening -1 - using manual metering pump WE 1372.
6. Screw in the oil inspection plug -1- with a new sealing ring. => Tightening torque: 20 Nm (15 ftlb.)





Oil inspection plug/filler screw