GM Grand Am/Achieva/Calais/Skylark/Somerset 1985-98

Fuel Filter

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The fuel filter is located near the rear of the vehicle, forward or rearward of the fuel tank, depending upon application. There is no service interval for fuel filter replacement. The filter only is replaced if it becomes restricted.

REMOVAL & INSTALLATION



See Figures 1 through 5

  1. Relieve the fuel system pressure. For details regarding this procedure, please refer to Fuel System of this information.
  2.  
  3. If not done already, disconnect the negative battery cable.
  4.  
  5. Raise and safely support the vehicle.
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  7. Clean both fuel feed pipe connections and the surrounding areas at the in-line fuel filter with a clean rag to avoid possible contamination of the fuel system.
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  9. Using a backup wrench, remove the fuel line fittings from the fuel filter. Most of the models fuel gilter wrench sizes will be 16mm and 20mm.
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Fig. Fig. 1: Always use a backup wrench to avoid twisting the lines



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Fig. Fig. 2: Most fuel filters use a 16mm and 20mm wrench for removal

  1. Grasp the filter and nylon fuel connection line fitting. Twist the quick-connect fitting 1 /4turn in each direction to loosen any dirt within the fitting.
  2.  



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Fig. Fig. 3: Grasp the plastic tab of the fuel line and pull away from the filter to separate

  1. Either disconnect the quick-connect fittings by pushing inward toward the filter and grasping the plastic tab around the connector and pull them apart. Or remove the fuel filter mounting screws, then remove the filter from the vehicle.
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  3. Discard the fuel line O-rings and replace with new ones during installation.
  4.  

To install:
  1. Install new O-rings to the fuel line fittings.
  2.  
  3. Connect the fuel lines to the fuel filter.
  4.  



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Fig. Fig. 4: Secure the filter and line connections, you do not want fuel leaking out

  1. Position the filter in the same position it was during removal. Using a backup wrench, tighten the fuel lines to 20-22 ft. lbs. (27-30 Nm).
  2.  



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Fig. Fig. 5: Push the filter into the retaining clamp to secure

  1. Install the fuel filter mounting screws if used.
  2.  
  3. Lower the vehicle. Install or tighten the fuel filler cap, then connect the negative battery cable.
  4.  
  5. Start the engine and check for leaks.
    1. Turn the ignition switch to the ON position for two seconds.
    2.  
    3. Turn the ignition to the OFF position for ten seconds.
    4.  
    5. Turn the ignition to the ON position.
    6.  
    7. Check for leaks.
    8.  

  6.  

 
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