Draining Oil For Front Differential

→ Let the fluid cool down.

→ Wear personal protective gear.

1. Unscrew filler screw -2-  .
2. Unscrew drain plug -1-  and collect differential oil.
   Fig 1: Identifying Drain Plug And Filler Screw For Differential Oil

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.
3. Clean the drain plug and filler screw and replace sealing rings.