Removing Cover

Lever off halfshaft flange -1- with a mounting lever -2- and pull it out.

Fig 1: Identifying Lever And Halfshaft Flange
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Pull off sealing ring.
→ 395955 REPLACING SEALING RING FOR FRONT HALFSHAFT FLANGE .
Unscrew screws -2- on cover -1- for final drive.

Fig 2: Identifying Threaded Joint For Cover For Wheel Final Drive
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Remove cover for final drive.
1. 4.1. Turn cover -1- axially and loosen it evenly by tapping gently with a rubber hammer -2- or plastic wedge.
  
  Fig 3: Loosening Cover For Final Drive
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
2. 4.2. Lift cover -1- with differential out of the housing -2- .
  
  Fig 4: Identifying Cover For Final Drive With Differential
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
3. 4.3. Replace O-ring.