Liberty, Wrangler 2006-2007

Fuel Pump

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Removal & Installation




CAUTION
The fuel system is under a constant pressure (even with the engine off). Before servicing the fuel pump module, the fuel system pressure must be released.

  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Remove the fuel tank.
    NOTE
    Note rotational position of module before attempting removal. An indexing arrow is located on top of module for this purpose.

  4.  
  5. Position Special Tool 9340 into notches on outside edge of lockring.
  6.  
  7. Install 1 / 2 inch drive breaker bar to tool 9340.
  8.  
  9. Rotate breaker bar counter-clockwise to remove lockring.
  10.  
  11. Remove lockring. The module will spring up slightly when lockring is removed.
  12.  
  13. Remove module from fuel tank. Be careful not to bend float arm while removing.

    Click image to see an enlarged view

    Fig. Top of fuel tank-Wrangler

  14.  

To install:

  1. Using a new seal (gasket), position fuel pump module into opening in fuel tank.
  2.  
  3. Position lockring over top of fuel pump module.
  4.  
  5. Rotate module until embossed alignment arrow points to center alignment mark. This step must be performed to prevent float from contacting side of fuel tank. Also be sure fuel fitting on top of pump module is pointed to front of vehicle.
  6.  
  7. Install Special Tool 9340 to lockring.
  8.  
  9. Install 1 / 2 inch drive breaker into Special Tool 9340.
  10.  
  11. Tighten lockring (clockwise) until all seven notches have engaged.
  12.  
  13. Install the fuel tank. Start vehicle and inspect for leaks.
  14.  

The fuel filter is attached to the front of the fuel tank.

  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Relieve the fuel system pressure.
  4.  
  5. Remove or disconnect the following:
    NOTE
    Once the nuts are removed, the plate must be removed by applying a heat gun to melt the adhesive. Take care to avoid bending the plate.


    WARNING
    Lift the module out slowly and carefully until you can secure the rubber gasket. If you-re not careful, the gasket will fall into the tank.



    Negative battery cable
     
    2 rear cargo hold-down clamps by drilling the rivets
     
    4 fuel pump module access plate nuts
     



    Click image to see an enlarged view

    Fig. Top view of the fuel pump module-Liberty



    Fuel lines at the module
     
    Electrical connector by first sliding the red tab, then pushing the gray tab
     
    ORVR hose
     
    Module lockring
     
    Module from the tank
     



    Electrical connector from the upper module section

    Click image to see an enlarged view

    Fig. Fuel pressure regulator-Liberty

     
    Fuel pressure regulator
     
    Fuel return line
     
    Upper module section
     

  6.  
  7. Drain the tank through the module opening.
  8.  
  9. Remove or disconnect the following:

    Lower module section by pushing gently on the release tab while sliding the lock tab upward
     

  10.  
  11. Installation is the reverse of removal.
  12.  

 
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