Chevrolet Citation/Omega/Phoenix/Skylark 1980-1985 Repair Guide

Fuel Filter

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REMOVAL & INSTALLATION



Carbureted Engines


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Fig. Fig. 1 On carbureted vehicles, the fuel filter is located behind the fuel inlet nut in the carburetor body



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Fig. Fig. 2 When removing the lines from the fuel filter, use a backup wrench to prevent bending the lines



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Fig. Fig. 3 To remove the fuel filter on a fuel injected vehicle, unfasten the filter retaining clamp bolt ...



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Fig. Fig. 4 ... then lift the fuel filter from the retaining clamps

All models have a fuel filter located within the carburetor body. The fuel filter has a check valve to prevent fuel spillage in the event of an accident. When the filter is replaced, make sure the new one is of the same type. All filters are of the paper element type. Replace the filter every 15,000 miles.

  1. Place a few absorbent rags underneath the fuel line where it joins the carburetor.
  2.  
  3. Disconnect the fuel line connection at the fuel inlet nut.
  4.  
  5. Unscrew the fuel inlet nut from the carburetor. As the nut is removed, the filter will be pushed partway out by spring pressure.
  6.  
  7. Remove the filter and spring.
  8.  

To install:

  1. Install the new spring and filter. The hole in the filter faces the nut.
  2.  
  3. Install a new gasket on the inlet nut and install the nut into the carburetor. Tighten securely.
  4.  
  5. Install the fuel line. Tighten the connector to 18 ft. lbs. (24 Nm.) while holding the inlet nut with a wrench.
  6.  
  7. Start the engine and check for leaks.
  8.  

Fuel Injected Engines

The filter is an inline unit ahead of the TBI unit. To remove the filter, make sure the engine is cold, unclamp and remove the fuel hose, then unscrew the filter from the steel fuel line. Installation is the reverse of removal.

 
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