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Home >> Lincoln >> 2007 >> MKZ AWD >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> Fuel System - General Information >> General Procedures >> Fuel Tank Draining

Fuel Tank Draining

Special Tools

Illustration Tool Name Tool Number
GF0004199
 Fuel Storage Tanker 164-R3202 or equivalent
GF0004227
 Fuel Tank Lock Ring Wrench 310-123
GF0029426
 Fuel Draining Hose 310-102
WARNING: Do not smoke or carry lighted tobacco or open flame of any type when working on or near any fuel-related components. Highly flammable mixtures are always present and may be ignited. Failure to follow these instructions can result in personal injury.
WARNING: Do not carry personal electronic devices such as cell phones, pagers or audio equipment of any type when working on or near any fuel-related components. Highly flammable mixtures are always present and may be ignited. Failure to follow these instructions can result in personal injury.
WARNING: This procedure involves fuel handling. Be prepared for spillage at all times and always observe fuel handling precautions. Failure to follow these instructions can result in personal injury.

All vehicles 

  1. Release the fuel system pressure. For additional information, refer to Fuel System Pressure Release .
  2. Disconnect the battery ground cable. For additional information, refer to BATTERY, MOUNTING AND CABLES .
  3. Release the fuel tank filler cap and position it aside.
    4. CAUTION: Upon removing the special tool, the fitting on the end of the hose can become detained by the one-way flapper valve. Carefully remove the hose using a gentle agitating motion to avoid detaching the hose from the fitting.
    NOTE: The special tool must be inserted into the fuel tank filler pipe until the fitting on the end of the hose enters into the fuel tank spout, opening the one-way flapper valve.
  4. Insert the special tool into the fuel tank filler pipe.
    5. Fig 1: Inserting Special Tool (310-102) Into Fuel Tank Filler Pipe
    GF0029428Courtesy of FORD MOTOR CO.
    NOTE: This step will remove approximately 1/8 tank of the fuel from a completely full fuel tank and the majority of any residual fuel in the fuel tank filler pipe.
  5. Attach the fuel storage tanker to the special tool and remove as much fuel as possible from the fuel tank and fuel tank filler pipe.
  6. Remove the rear seat lower cushion. For additional information, refer to SEATING .
  7. Position the carpet and/or any insulation covering the fuel pump module access cover aside.

    8. Front wheel drive (FWD) vehicles 

  8. Remove the 4 screws and the fuel pump module access cover.
    9. Fig 2: Identifying Fuel Pump Module Access Cover & Screws
    GF0030148Courtesy of FORD MOTOR CO.

    All wheel drive (AWD) vehicles 

  9. Remove the 3 screws and the fuel pump module access cover.
    10. Fig 3: Identifying Fuel Pump Module Access Cover & Screws
    GF0030149Courtesy of FORD MOTOR CO.

    All vehicles 

  10. Disconnect the fuel pump module electrical connector.
    11. Fig 4: Identifying Fuel Pump Module Electrical Connector
    GF0030150Courtesy of FORD MOTOR CO.
  11. Disconnect the fuel supply tube-to-fuel pump module quick connect coupling.
    12. Fig 5: Identifying Fuel Supply Tube-To-Fuel Pump Module Quick Connect Coupling
    GF0030151Courtesy of FORD MOTOR CO.
  12. Using the special tool, remove the fuel pump module lock ring retainer.
    13. Fig 6: Identifying Special Tool (310-123)
    GF0030152Courtesy of FORD MOTOR CO.
  13. Position the fuel pump module aside and insert the tube from the fuel storage tanker into the fuel pump module aperture and drain as much fuel from the fuel tank as possible.
    14. Fig 7: Identifying Tube From Fuel Storage Tanker
    GF0030153Courtesy of FORD MOTOR CO.

    AWD vehicles 

  14. Remove the 3 screws and the fuel level sensor access cover.
    15. Fig 8: Identifying Fuel Level Sensor Access Cover & Screws
    GF0030154Courtesy of FORD MOTOR CO.
  15. Disconnect the fuel level sensor electrical connector.
    16. Fig 9: Identifying Fuel Level Sensor Electrical Connector
    GF0030155Courtesy of FORD MOTOR CO.
  16. Release the lock tab, rotate the fuel level sensor counterclockwise approximately 1/4 turn, lift and position aside.
    17. Fig 10: Rotating Fuel Level Sensor Counterclockwise Approximately 1/4 Turn & Lift Upward
    GF0030156Courtesy of FORD MOTOR CO.
  17. Insert the tube from the fuel storage tanker into the fuel level sensor aperture and drain the remainder of the fuel from the fuel tank.
    18. Fig 11: Identifying Tube From Fuel Storage Tanker
    GF0030157Courtesy of FORD MOTOR CO.
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