Removing Vacuum Pump

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The vacuum pump -1- is installed at the rear of the right cylinder head on the V engine.

Fig 1: Identifying Vacuum Pump Components

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Vacuum pump
Screw, M6 x 25
Sealing ring
Sealing ring

Pull vacuum hose -3- off the vacuum pump connection piece. Carefully press secondary-air hoses aside.
Remove vacuum pump.
1. 2.1. Unscrew fastening screws -2- .
  Turn the vacuum pump -1- to the side and guide it past the fuel low-pressure line.
  
  Fig 2: Identifying Vacuum Pump Fastening Screws
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.