Opening The Fuel Tank

Information 

• If the tank must be opened for emptying, disconnect all connections. 

1. Open the filler flap.
2. Fold rear seat forward.
3. Fold up the retaining brackets (left and right) for the seat-belt buckles. To do this, loosen the fastening screws and fold up the bracket with the seat-belt buckle. Do not use the same fastening screws again.
   Fig 1: Locating Seat-Belt Buckles Fastening Screws

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.
4. Loosen the caps (Figure shows both). To do so, cut out the carpeted floor along the perforated lines using a carpet knife and fold it over. Then loosen the fastening nuts and remove the cap.
   Fig 2: Locating Fastening Nuts On Caps

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.
5. Drain the fuel tank if you have not already done so, or if the fuel level in the fuel tank is very low.
   WARNING: Toxic substances

   • Danger of poisoning or suffocation
   • Danger of burns to the eyes and skin

   → Ventilate the work area well.

   → Never ingest or inhale.

   → Read specific information on the Hazard Sheet.

   → Wear personal protective gear.

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

   WARNING: Highly inflammable or explosive materials

   • Danger of fire or explosion

   → Avoid contact with hot parts or sources of ignition.

   → Use suction to remove ignitable vapours.

   → Attach warning sign in a clearly visible position.

   Information 

   • Absorb any escaping fuel using a suitable binding material or a cloth. 
   • Cloths which have absorbed fuel must be disposed of according to the applicable national laws. 
   • The fuel system must be depressurised before starting work on it. 
   • Only work on the fuel system in well-ventilated rooms. 
   • Any seals which have been removed must always be replaced. 
   • Do not use any sealant containing silicone or silicone spray when the injection system is open. Traces of silicone drawn in by the engine are not combusted and damage the oxygen sensors. 
6. Carefully pull off the fuel supply line -1-  at each connecting flange (right flange shown here) and loosen the two connection points -2 and 3-  . Also remove line (not shown here) in vehicles with auxiliary heating (auxiliary heater). Do the same at the left connection unit. Unplug all connections on the connecting flange.
   Fig 3: Locating Fuel Supply Line And Connection Points

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.
7. Open each cap using wrench T10202  and lift up the connection unit (cap).
   Fig 4: Identifying Special Tool On Cap

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.