Removing Left Sealing Ring For Halfshaft Flange

Pull housing neck -1- off the halfshaft flange -2- .

Fig 1: Removing Housing Neck
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Tap out sealing ring on housing neck -1- .
1. 2.1. Secure housing neck in a vice with plastic or aluminum jaws.
2. 2.2. Use a screwdriver -2- to tap the sealing ring -3- down and out.
  Be careful with the bearing!
  
  Fig 2: Tapping Out Sealing Ring
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.