B250 3/4 Ton Van V8-318 5.2L VIN T FI (1992)
Fuel Pressure Release: Service and Repair
Fuel Pressure Regulator Location
Fuel Pressure Release Procedure - Typical
NOTE:
The fuel system is under constant fuel pressure (even with the engine off).
WARNING: BECAUSE THE FUEL SYSTEM IS UNDER CONSTANT FUEL PRESSURE, THIS PRESSURE MUST BE RELEASED
BEFORE SERVICING ANY FUEL SUPPLY OR FUEL RETURN SYSTEM COMPONENT.
PROCEDURE
1.
Disconnect negative battery cable.
2.
Remove fuel tank filler neck cap to release fuel tank pressure.
3.
Remove protective cap from pressure test port on the fuel rail.
WARNING: DO NOT ALLOW FUEL TO SPILL ONTO THE ENGINE INTAKE OR EXHAUST MANIFOLDS. PLACE SHOP
TOWELS UNDER AND AROUND THE PRESSURE PORT TO ABSORB FUEL WHEN THE PRESSURE IS RELEASED FROM THE
FUEL RAIL.
WARNING: WEAR PROPER EYE PROTECTION WHEN RELEASING FUEL SYSTEM PRESSURE.
4.
Obtain the fuel pressure gauge/hose assembly from fuel pressure gauge tool set 5069. Remove the gauge from the hose.
