Lumina V6-204 3.4L DOHC (1991)
Fuel Pressure Regulator: Service and Repair
Fuel Rail Assembly - Exploded View
REMOVAL:
1.
Disconnect the negative battery cable.
2.
Relieve the fuel system pressure, refer to MAINTENANCE PROCEDURES/FUEL SYSTEM PRESSURE RELIEF.
3.
Remove the upper manifold assembly, refer to UPPER MANIFOLD ASSEMBLY.
4.
Remove the pressure regulator bracket attaching screw.
5.
Remove the regulator assembly and O-rings, discard the O-rings.
INSTALLATION:
1.
Lubricate new O-rings with clean engine oil, and install.
2.
Install the regulator and attaching screw and tighten to 22.5 Nm (102 lb.in).
3.
Install the fuel rail assembly.
4.
Install the upper manifold assembly.
