Removing Vacuum Pump

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Remove center cross panel -3- .
1. 1.1. Disconnect lines -4- from the brackets -5- .
2. 1.2. Loosen fastening screws -1- and nuts -2- .
3. 1.3. Carefully pull out the cross panel in an upward direction.
  
  Fig 1: Identifying Centre Cross Panel Screws
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Pull the vacuum line off the vacuum pump using a sufficient amount of force.
Information

Check the position of the screws and the screw length when removing and installing the vacuum pump. The screw at the top right in direction of travel is short, the other two screws are long.
Loosen the upper screws -2- on the vacuum pump -1- .

Fig 2: Identifying Vacuum Pump Screws
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Carefully move the coolant hoses behind the vacuum pump -1- aside using a wooden block (5 cm wide) -2- and loosen the lower fastening screw -3- on the vacuum pump.

Fig 3: Identifying Wooden Block Position
Courtesy of PORSCHE CARS NORTH AMERICA, INC.

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- When you remove the V6 vacuum pump, the sealing ring can remain on the drive shaft at the engine side. If this happens, the sealing ring must be removed from the drive shaft and inserted into the rotor of the vacuum pump at the correct position at the lower edge of the chamfer -1- .
Fig 4: Identifying Vacuum Pump Assembly
Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Information
- When removing the V6 vacuum pump, always check that the rotor of the vacuum pump is not twisted when taking it out. Mark the position of the rotor immediately after removal with a marker, for example -arrows- !
- When replacing the vacuum pump, move the rotor of the new vacuum pump to the exact same position and also mark the position of the rotor.
  
  Fig 5: Locating Rotor Position Marked
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Remove the vacuum pump carefully by pulling it to the rear.