GM Astro/Safari 1985-1996 Repair Guide

Fuel Meter Cover

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REMOVAL & INSTALLATION



See Figures 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 and 12



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Fig. Fig. 1: Removing the fuel meter cover from the throttle body-Model 300 (Model 220 is similar)



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Fig. Fig. 2: The throttle body can be accessed once the engine cover and air cleaner have been removed



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Fig. Fig. 3: Remove the adapter ring and disconnect from the breather hose



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Fig. Fig. 4: Unplug the injector electrical connectors



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Fig. Fig. 5: Use clean rags to block the throttle openings and prevent debris from dropping in the engine



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Fig. Fig. 6: Remove the mounting screws from the meter body



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Fig. Fig. 7: Lift the meter body up and off the injectors. The injectors can be removed at this point



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Fig. Fig. 8: Check the condition of the gaskets. This one is torn and would leak fuel if reused



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Fig. Fig. 9: The fuel pressure regulator can be removed from the meter cover



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Fig. Fig. 10: The fuel pressure regulator diaphragm must be intact for proper operation



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Fig. Fig. 11: Check the condition of the diaphragm and seating area before reassembly



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Fig. Fig. 12: Exploded view of the fuel metering cover

The fuel meter cover does not have to be removed to replace the single fuel injector for the Model 700 throttle body (1987-90 2.5L engine). For the Model 220 and 300, the fuel meter cover does have to be removed to replace the injector.

  1. Remove the air cleaner. Disconnect the negative battery cable from the battery.
  2.  
  3. At the injector electrical connector, squeeze the 2 tabs together and pull it straight up.
  4.  
  5. Remove the fuel meter-to-fuel meter body screws and lockwashers.
  6.  

When removing the fuel meter cover screws, note the location of the two short screws.

  1. Remove the fuel meter cover and discard the gasket.
  2.  

To install:
  1. Use a new gasket and install the injector if removed.
  2.  
  3. Install the fuel meter cover and torque the screws to 30 inch lbs. (4.0 Nm).
  4.  
  5. Reconnect the injector electrical connector and negative battery cable.
  6.  
  7. Start the engine, check for leaks and proper operation.
  8.  

 
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