Preliminary Work

→ Ventilate the work area well.

→ Never ingest or inhale.

→ Read specific information on the Hazard Sheet.

→ Do not smoke, eat or drink in the work area.

→ Avoid contact with hot parts or sources of ignition.

→ Use suction to remove ignitable vapours.

→ Attach warning sign in a clearly visible position.

Information 

The fuel filter is integrated in the right connection unit, while the pressure regulator is in the fuel pump (delivery unit). 

The description relates to all three fuel level senders. 

1. Drain the fuel tank if necessary. → Draining Fuel (Emptying Fuel Tank) 
   1. 1.1. The fuel tank should be drained before opening the flanges under the rear seat. If the displayed fuel level is less than the reserve, there is no need to drain the tank.
2. Remove (pull off) all covers -1, 2 and 3-  in the bodyshell opening.
   1. 1.1. Remove rear seat. → REMOVING REAR SEAT
      Fig 1: Locating Cover And Bodyshell

      Courtesy of PORSCHE CARS NORTH AMERICA, INC.
   2. Release and disconnect upper flange connections (expose flange rings).
   3. Remove flanges using wrench T10202  . → Loosening flange ring 
      Fig 2: Loosening Flange Ring

      Courtesy of PORSCHE CARS NORTH AMERICA, INC.