Mazda 323/MX-3/626/MX-6/Millenia/Protégé 1990-1998 and Ford Probe 1993-1997

Fuel Filter

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On all models except the Millenia, the fuel filter is attached to a bracket located in the left rear of the engine compartment, next to or beneath the brake master cylinder fluid reservoir.

On the Millenia, the fuel filter is located beneath an access cover in the trunk. Access to the cover is achieved by removing the trunk mat to expose the cover.

The fuel filter should be serviced according to the Maintenance Intervals Chart at the end of this Section.

REMOVAL & INSTALLATION




CAUTION
Do not allow fuel spray or fuel vapors to come in contact with a spark or open flame. Keep a dry chemical fire extinguisher nearby. Never store fuel in an open container due to risk of fire or explosion.

Except Millenia models

See Figures 1 and 2

  1. Properly relieve the fuel system pressure.
  2.  
  3. Disconnect the negative battery cable.
  4.  



Click image to see an enlarged view

Fig. Fig. 1: Exploded view of a common fuel filter and related components

  1. If necessary, remove the air intake hose and/or filter housing.
  2.  
  3. If equipped, remove the fuel line clamps.
  4.  



Click image to see an enlarged view

Fig. Fig. 2: Access to the fuel filter (arrow) can be difficult. Remove any obstructing components to ease replacement

  1. Disconnect the fuel lines from the filter and plug the ends to prevent leakage.
  2.  
  3. Loosen the bolt and nut and remove the fuel filter from its mounting bracket. Note the direction of the flow arrow on the filter so the replacement filter can be installed in the correct position.
  4.  

To install:
  1. Install the fuel filter in its mounting bracket, making sure the flow arrow is pointing in the proper direction. Tighten the bracket bolt and nut.
  2.  
  3. Unplug the fuel lines and connect them to the fuel filter.
  4.  
  5. If equipped, install the fuel line clamps.
  6.  
  7. If removed, install the air intake hose and/or filter housing.
  8.  
  9. Connect the negative battery cable.
  10.  
  11. Pressurize the fuel system and check all connections for leaks.
  12.  

Millenia Models

See Figure 3

  1. Insure the ignition is OFF . Relieve the fuel system pressure.
  2.  
  3. Disconnect the negative battery cable.
  4.  
  5. Open the trunk, and remove the trunk mat.
  6.  



Click image to see an enlarged view

Fig. Fig. 3: Millenia models have the fuel filter mounted under an access panel in the trunk

  1. Remove the service hole cover.
  2.  
  3. Disconnect the fuel lines from both ends of the fuel filter. Plug the lines to prevent leakage.
  4.  
  5. Remove the nut from the fuel filter bracket, and remove the filter and bracket from the vehicle.
  6.  
  7. Remove the filter from the mounting bracket.
  8.  

To install:
  1. Position the filter in the mounting bracket.
  2.  
  3. Install and tighten the bracket nut to 70-95 inch lbs. (8-11 Nm).
  4.  
  5. Unplug the fuel lines and connect them to the filter.
  6.  
  7. Install the service hole cover.
  8.  
  9. Replace the trunk mat, and close the trunk.
  10.  
  11. Connect the negative battery cable.
  12.  
  13. Run the engine and check for any fuel leaks.
  14.  

 
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