Navigator 4WD V8-5.4L SOHC VIN L (1998)
Fuel Pressure Regulator: Service and Repair
REMOVAL
WARNING:
-
DO NOT SMOKE OR CARRY LIGHTED TOBACCO OR OPEN FLAME OF ANY TYPE WHEN WORKING ON OR NEAR ANY
FUEL RELATED COMPONENTS. HIGHLY FLAMMABLE MIXTURES ARE ALWAYS PRESENT AND MAY BE IGNITED,
RESULTING IN POSSIBLE PERSONAL INJURY.
-
FUEL IN THE FUEL SYSTEM REMAINS UNDER HIGH PRESSURE EVEN WHEN THE ENGINE IS NOT RUNNING.
-
BEFORE WORKING ON OR DISCONNECTING ANY OF THE FUEL LINES OR FUEL SYSTEM COMPONENTS, THE FUEL
SYSTEM PRESSURE MUST BE RELIEVED.
1. Perform the fuel pressure release procedure.
2. Remove the fuel pressure regulator.
1
Disconnect the fuel pressure regulator vacuum hose.
2
Remove the screws.
3
Remove the fuel pressure regulator.
3. Remove and discard the two (A) fuel pressure regulator O-rings and the (B) seal.
INSTALLATION
WARNING: DO NOT SMOKE OR CARRY LIGHTED TOBACCO OR OPEN FLAME OF ANY TYPE WHEN WORKING ON OR NEAR
ANY FUEL RELATED COMPONENTS. HIGHLY FLAMMABLE MIXTURES ARE ALWAYS PRESENT AND MAY BE IGNITED,
RESULTING IN POSSIBLE PERSONAL INJURY.
1. Follow the removal procedure in reverse order.
NOTE: Lubricate the new seal and O-rings with engine oil.