GM Astro/Safari 1985-1996 Repair Guide

Fuel Injectors

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REMOVAL & INSTALLATION



See Figures 1, 2, 3 and 4



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Fig. Fig. 1: Gently pry the injector out of the bore-Model 220 (Model 300 is similar)



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Fig. Fig. 2: Replace the O-rings and washers whenever the injector is removed-Model 220 (Model 300 is similar)



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Fig. Fig. 3: Gently pry the injector out of the bore-Model 700



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Fig. Fig. 4: Replace the O-rings on the injector body when removed-Model 220, 4.3L engine shown


CAUTION
When removing the injector(s), be careful not to damage the electrical connector pins (on top of the injector), the injector fuel filter and the nozzle. The fuel injector is serviced as a complete assembly ONLY. It is an electrical component and should not be immersed in any kind of cleaner.

  1. Remove the air cleaner. Disconnect the negative battery cable from the battery.
  2.  
  3. Refer to the Fuel Pressure Relief procedures in this section and relieve the fuel pressure.
  4.  
  5. At the injector connector, squeeze the 2 tabs together and pull it straight up.
  6.  
  7. Remove the fuel meter cover and l