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Home >> Porsche >> 2017 >> Macan S >> Repair and Diagnosis >> External Pages >> Different car >> Section 775 (20 - Fuel Supply, Control) >> WM 2010EN Emptying and filling the fuel tank >> Emptying the fuel tank >> Emptying the fuel tank using the PIWIS Tester

Emptying the fuel tank using the PIWIS Tester

WARNING: This page is about a different car, the 2016 Porsche Macan and 2015 Porsche Macan. However, it is still accessible from the selected car via links, so may be relevant.
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 vapors.

→ Attach warning sign in a clearly visible position.

Information 

Place a cloth underneath to catch escaping fuel.

G12833678Courtesy of PORSCHE CARS NORTH AMERICA, INC.
1  Connecting line 9705/3,  long
2  Connecting line 9705/3,  short
3  Fuel-resistant hose piece with screw-type clamp
4  20-litre fuel container (have several containers ready, depending on the amount of fuel)
  1. Connect a battery charger.
  2. Connect fuel lines to the drain hose and use a screw-type clamp to secure the connection  .
  3. Connect fuel line -1-  to the flange coupling using a push-on connector -2-  and check that it is seated securely.
    1. 3.1. Connection 7.98  for petrol

      Connection 9.89  for diesel

      G12833679Courtesy of PORSCHE CARS NORTH AMERICA, INC.
  4. Insert drain hose into the fuel container (not the fuel tank).
    1. 4.1. Get another person to check that the fuel container is not overfilled.
      G12833680Courtesy of PORSCHE CARS NORTH AMERICA, INC.
  5. Pump out fuel using PIWIS Tester II 9818  .
    1. 5.1. PIWIS Tester must be connected to the fuse carrier in the front left footwell.
    2. 5.2. Select the Drain tank  function by selecting individual control unit search DME  and the Drive links/checks  menu item.
    3. 5.3. Press F8 (Start)  to activate the fuel pump.
    4. 5.4. Once you have pumped out the required amount of fuel, press F8 (Stop)  to end the process.
    5. 5.5. Pull off plug-in coupling on the fuel tank flange.
  6. PIWIS Tester can now be switched off. Then disconnect the connecting line.
    1. 6.1. Disconnect the battery charger.