Removing Fuel Supply Line

→ 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 vapors.

→ Attach warning sign in a clearly visible position.

Information 

• The description applies to all engine types  .
• The setup and procedures required may differ slightly from the illustrations or procedures described due to engine-specific differences  .

Component Overview And Line Routing: 

Fig 1: Fuel Line Routing Diagram

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

1. Remove covers for the two fuel tank flanges.
   1. 1.1. To do this, cut out the carpeted floor at the perforation using a carpet knife and fold it over.
   2. 1.2. Then unscrew the M6 fastening nuts -arrows-  and remove the covers.
      Fig 2: Locating Fuel Tank Flange Covers

      Courtesy of PORSCHE CARS NORTH AMERICA, INC.
2. Disconnect the fuel pressure line (supply) -1-  at the flange.
   1. 2.1. Press the two release buttons at the same time and pull the rapid-action coupling up and off.
      Fig 3: Disconnecting Fuel Pressure Line (Supply)

      Courtesy of PORSCHE CARS NORTH AMERICA, INC.
      Fig 4: Identifying Tank Flange Connection

      Courtesy of PORSCHE CARS NORTH AMERICA, INC.
3. Disconnect fuel lines at the connection points in the engine compartment.
   1. 3.1. Pull off plastic cover -1-  .
   2. 3.2. Loosen the screw-in sleeve (width across flats 17) on the pressure line -2-  and counter at the hexagon (width across flats 19) on the connecting line at the same time.
   3. 3.3. Disconnect line for tank ventilation -3-  .
   4. 3.4.
   5. 3.5. Open the line bracket at the bulkhead.
      Fig 5: Identifying Fuel Line Connection Points

      Courtesy of PORSCHE CARS NORTH AMERICA, INC.
4. Remove heat shields -1-  .
   1. 4.1. Unscrew three M6 collar nuts -3-  and one M6 screw -1-  and remove the heat shields.
      Fig 6: Identifying Heat Shields On Underbody (Bulkhead Area)

      Courtesy of PORSCHE CARS NORTH AMERICA, INC.
5. Remove heat shield -1-  on cardan shaft.
   1. 5.1. Unscrew two M6 screws -2-  and one M8 collar nut -3-  and remove the heat shield.
      Fig 7: Identifying Heat Shield On Cardan Shaft

      Courtesy of PORSCHE CARS NORTH AMERICA, INC.
6. Lower the fuel tank.
   1. 6.1. Place a transmission jack (e.g. transmission jack VAG 1383 A WE 1082  ) in position to support and secure the fuel tank.
   2. 6.2. Unscrew fastening screws for the restraining straps and carefully lower the fuel tank.
7. Open all line brackets on the underbody and remove the wire harness.