OEM 2000 GMC Safari Fuel Pressure Regulator

2000 GMC Safari Fuel Pressure Regulator Parts Questions & Experts Answers

• Q: How to service and repair the fuel pressure regulator on 2000 GMC Safari?

  A: The procedure to fix the Fuel Pressure Regulator starts by getting the required equipment which should include the fuel pressure gauge (J 34730-1A). The service operation begins by disconnecting the negative Battery Cable and loosening the fuel filler cap. The technician must drain pressure from the system then remove the upper intake manifold before proceeding. Use a shop towel to absorb the spilled fuel while carefully you pull and twist the Fuel Pressure Regulator from its housing by removing its retainer clip. Begin by removing the regulator seal lower o-ring then the regulator assembly filter followed by the regulator seal upper o-ring and regulator seal back up ring from the Fuel Pressure Regulator housing while keeping the housing covered to prevent contamination. Discard the o-rings. An inspection of the filter screen should be performed before regulator replacement except when necessary. Clean engine oil should be used to lubricate the new o-rings before installing the series of components beginning with the regulator seal back up ring followed by the regulator seal upper o-ring until you reach the regulator assembly filter , then finally installing the regulator seal lower o-ring . Install the regulator while keeping the vacuum tube in the downward position then fasten it by the retainer clip . Install the top manifold assembly while tightening the fuel cap then attach the Battery Cable's black wire. The final step in leak detection involves a check of fuel leakage by following an on-2 seconds off-10 seconds and instant on sequence with the ignition switch.