GM Lumina/Grand Prix/Cutlass Supreme/Regal 1988-1996

Fuel Meter Body

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REMOVAL & INSTALLATION



See Figure 1

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Fig. Fig. 1: Exploded view of the fuel meter body and related TBI unit components

  1. Properly relieve the fuel system pressure. If not already done, disconnect the negative battery cable.
  2.  
  3. Remove the air intake duct (TBI bonnet).
  4.  
  5. Detach the electrical connector from the injector. Remove the grommet with wires from the fuel meter assembly.
  6.  
  7. Disconnect the fuel inlet and outlet lines and O-rings. Be sure to use tool J 28698-A, or equivalent back-up wrench, to keep the fuel nuts from turning. Discard the old fuel line O-rings.
  8.  
  9. Unfasten the TBI mounting bolts/studs. Remove the 2 fuel meter body attaching screws.
  10.  
  11. Remove the fuel meter assembly from the throttle body. Remove and discard the fuel meter-to-throttle body gasket.
  12.  

To install:
  1. Position a new throttle body-to-fuel meter body gasket. Make sure to match the cut portions in the gasket with the opening in the throttle body.
  2.  
  3. Place the fuel meter body assembly onto the throttle body assembly.
  4.  
  5. Coat the threads of the fuel meter body attaching screws with Loctite®262 or equivalent, install the fuel meter body-to-throttle body attaching screws.
  6.  
  7. Tighten the screws to 31 inch lbs (3.5 Nm). Install the fuel inlet and outlet nuts with new gaskets to the fuel meter body assembly. Tighten the inlet and outlet nuts to 18 ft. lbs. (25 Nm).
  8.  
  9. Place new O-rings on the fuel feed and return lines. Install the fuel inlet and return lines. Tighten the fuel line nuts to 22 ft. lbs. (30 Nm), making sure to use a back-up wrench to keep the TBI nuts from turning.
  10.  
  11. Install the grommet with wires to the fuel meter assembly. Attach the electrical connector to the injector.
  12.  
  13. Connect the negative battery cable.
  14.  
  15. With the engine OFF , check to see that the accelerator pedal is free by depressing the pedal to the floor, then releasing it.
  16.  
  17. Turn the ignition switch to the ON position for 2 seconds, then turn OFF for 10 seconds. Again turn the switch ON and check for fuel leaks.
  18.  
  19. Install the air intake duct (TBI bonnet) with the gasket.
  20.  

 
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