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Home >> Porsche >> 2017 >> Cayenne Turbo >> Repair and Diagnosis >> External Pages >> Different car >> Section 73 (20 - Fuel Supply, Actuator (4.8L Non Turbo) -- 92A - Cayenne (92A)) >> WM, 203819 Removing And Installing Fuel Supply Line >> Removing Fuel Supply Line

Removing Fuel Supply Line

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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.

    → Contain leaked media using non-flammable absorbent material and put it in a container designed for this purpose for disposal in accordance with local requirements.

    → Secure collection containers/vessels to prevent them from tipping over.

Information 

Component overview and line routing: 

G16310125Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Fuel line routing on the underbody

  1. Remove lids 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 lids.
      G16310126Courtesy of PORSCHE CARS NORTH AMERICA, INC.

      Fastening nuts on caps

  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.
      G16310127Courtesy of PORSCHE CARS NORTH AMERICA, INC.

      Fuel supply and connection points without auxiliary heating

      G16310128Courtesy of PORSCHE CARS NORTH AMERICA, INC.

      Tank flange with connection for auxiliary heating

  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  Pull off the line for the leakage diagnosis pump if necessary -4-  .
    5. 3.5  Open the line bracket at the bulkhead.
      G16310129Courtesy of PORSCHE CARS NORTH AMERICA, INC.

      Fuel line connection points in engine compartment

  4. Remove heat shields -1-  .
    1. 4.1  Unscrew three M6 collar nuts -3-  and one M6 screw -1-  and remove the heat shields.
      G16310130Courtesy of PORSCHE CARS NORTH AMERICA, INC.

      Heat shields on underbody (bulkhead area)

  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.
      G16310131Courtesy of PORSCHE CARS NORTH AMERICA, INC.

      Heat shield on cardan shaft

  6. Lower the fuel tank.
    1. 6.1  Place a transmission jack (e.g. > VAS 6931 - Transmission and Engine Jack) 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.
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