GM Corsica/Beretta 1988-1996 Repair Guide

Fuel Pressure Regulator

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REMOVAL & INSTALLATION



See Figures 1, 2 and 3

  1. Properly relieve the fuel system pressure as outlined earlier in this section.
  2.  
  3. If not already done, disconnect the negative battery cable.
  4.  
  5. Disconnect the vacuum hose from the regulator.
  6.  
  7. Place a rag under the connection, then remove the fuel return pipe clamp.
  8.  
  9. Remove the fuel return pipe and O-ring from the regulator. Discard the O-ring.
  10.  
  11. Unfasten the pressure regulator bracket attaching screw.
  12.  
  13. Remove the pressure regulator assembly and O-ring. Discard the O-ring.
  14.  



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Fig. Fig. 1: Exploded view of the BFP injection system components (1 of 2)



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Fig. Fig. 2: Component list for the BFP injection system components (2 of 2)



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Fig. Fig. 3: Cross-sectional view of the fuel pressure regulator assembly

To install:
  1. Lubricate a new pressure regulator O-ring with clean engine oil, then install on the pressure regulator.
  2.  
  3. Position the pressure regulator assembly onto the manifold.
  4.  
  5. Coat the pressure regulator bracket attaching screw with the appropriate thread locking material, then install and tighten to 31 inch lbs. (3.5 Nm).
  6.  
  7. Attach the vacuum hose to the regulator.
  8.  
  9. Lubricate a new fuel return pipe O-ring with clean engine oil, then install on the end of the pipe.
  10.  
  11. Connect the fuel return pipe to the pressure regulator and tighten the attaching nut to 22 inch lbs. (30 Nm).
  12.  
  13. Install the fuel return pipe clamp attaching nut to the lower manifold assembly.
  14.  
  15. Tighten the fuel filler cap.
  16.  
  17. Connect the negative battery cable and turn the ignition ON for 2 seconds, OFF for 10 seconds, then ON and check for fuel leaks.
  18.  

 
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