Chrysler Neon 1995-1999 Repair Guide

Fuel Pressure Regulator

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REMOVAL & INSTALLATION



1995 Vehicles

See Figures 1, 2 and 3

The fuel pressure regulator is part of the fuel pump module. Remove the module from the fuel tank for access to the regulator.

  1. Disconnect the negative battery cable.
  2.  
  3. Properly relieve the fuel system pressure.
  4.  
  5. Remove the fuel pump module, as outlined earlier in this section.
  6.  
  7. Spread the tabs on the pressure regulator retainer.
  8.  



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Fig. Fig. 1: Spread the 4 pressure regulator retaining tabs ...

  1. Use a suitable prytool to carefully pry the regulator out of the housing.
  2.  



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Fig. Fig. 2: ... then carefully pry the pressure regulator from the housing

  1. Make sure both the upper and lower O-rings were removed with the regulator.
  2.  

To install:
  1. Lightly lubricate the O-rings with clean engine oil, then place then into the fuel pump module opening.
  2.  



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Fig. Fig. 3: Place lightly lubricated O-rings into the module opening

  1. Push the regulator into the opening in the pump module.
  2.  
  3. Fold the tabs on the regulator retainer over the tabs on the housing.
  4.  
  5. Install the fuel pump module, as outlined earlier in this section.
  6.  
  7. Connect the negative battery cable.
  8.  

1996-99 Vehicles

See Figures 4 and 5

These vehicles use a integral fuel filter/pressure regulator, mounted on the top of the fuel pump module. Fuel pump module removal is not necessary.

  1. Properly relieve the fuel system pressure, as outlined in Fuel System of this guide.
  2.  
  3. If not done already, disconnect the negative battery cable.
  4.  
  5. Raise and safely support the vehicle.
  6.  
  7. Unfasten the quick-connect fuel supply line from the filter/regulator nipple.
  8.  
  9. Depress the locking spring tab, located on the side of the fuel filter/regulator, then rotate 90° and pull out. Make sure the upper and lower O-rings are still on the filter assembly.
  10.  



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Fig. Fig. 4: Depress the spring tab, then rotate and pull the filter assembly out

To install:
  1. Lightly coat the filter O-rings with clean engine oil. Insert the filter into the opening in the fuel pump module, then align the 2 hold-down tabs with the flange.
  2.  



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Fig. Fig. 5: To install the filter, align the spring tab with the locating slot

  1. While applying downward pressure, rotate the filter clockwise until the spring tab catches in the locating slot.
  2.  
  3. Attach the fuel line to the filter/regulator assembly.
  4.  
  5. Carefully lower the vehicle, the connect the negative battery cable.
  6.  

 
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