Hombre S Regular Cab 4WD V6-4.3L (1999)
Fuel Pressure Regulator: Service and Repair
Removal Procedure
Tool Required
J 34730-1A Fuel Pressure Gauge
CAUTION: Refer to Battery Disconnect Caution in Service Precautions.
1. Disconnect the negative battery cable.
2. Relieve the fuel system pressure. Refer to Fuel Pressure Relief Procedure.
3. Remove the upper intake manifold assembly. Refer to Intake Manifold Replacement (Upper) in Engine Mechanical - 4.3L.
4. Remove the fuel pressure regulator retainer clip (13).
5. Pull and twist the fuel pressure regulator (14) in order to remove the fuel pressure regulator from the fuel pressure regulator housing using a shop
towel to catch any spilled fuel.
6. Remove the regulator seal lower O-ring (18).
7. Remove the regulator assembly filter (17)
8. Remove the regulator seal upper O-ring (16).
9. Remove the regulator seal backup ring (15).
10. Cover the fuel pressure regulator housing to prevent contamination from entering the fuel system.
11. Discard the O-rings.
