W 150 Ramcharger V8-318 5.2L (1989)
Fuel Pressure Regulator: Service and Repair
REMOVAL
Fuel Pressure Regulator Service
1.
Fuel system pressure must be released prior to service. See: Fuel Filter/Fuel Pressure Release/Service and Repair
2.
Disconnect negative battery terminal, and remove air cleaner assembly.
3.
Disconnect vacuum hose from throttle body.
4.
Remove 3 attaching screws from pressure regulator. Pull pressure regulator off of throttle body.
5.
Remove gasket and O-ring from fuel pressure regulator.
INSTALLATION
1.
Install new O-ring and gasket and press fuel pressure regulator into place in throttle body. Install 3 mounting screws and torque to 40 lb-in (5
Nm).
2.
Reconnect vacuum hose to throttle body.
3.
Reconnect negative battery terminal and perform fuel system pressure test to check for leaks. See: Testing and Inspection/Component Tests and
General Diagnostics/Fuel System Diagnosis
4.
Connect negative battery cable.
5.
Install air cleaner assembly.
