Removing Cardan Flange

Close electric handbrake.
Loosen and unscrew collar nut -2- for the cardan flange -1- .
1. 2.1. Replace collar nut.
  
  Fig 1: Identifying Cardan Flange With Fastening Nut
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
  
  Information
  - The cardan flange is connected to the pinion shaft of the Porsche Doppelkupplung (PDK) with very narrow tolerances.
  - Increased removal and installation forces must be overcome when removing and installing the cardan flange.
  - Align tools perfectly in order to avoid tension and eliminate the possibility of the tool slipping off.
Remove cardan flange -1- .
1. 3.1. Pressure piece 9790 -2- and three-arm puller: span width 100 mm, span depth 100 mm Nr.112-1 -3- must be secured to the cardan flange.
2. 3.2. Pull cardan flange off the pinion shaft by turning the hexagon -4- clockwise.
  
  Fig 2: Pulling Off Cardan Flange
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.