F 150 4WD Pickup V8-5.4L CNG VIN M (2001)
5. Remove the nut from the low-pressure fuel and fuel pressure regulator coolant line assembly retaining bracket at the transmission tailhousing.
6. Remove the nut from the low-pressure fuel and fuel pressure regulator coolant line assembly retaining bracket at the transmission bellhousing.
7. Remove the fuel line tether clamp.
8. Using the Spring Lock Coupling Disconnect Tool, disconnect the fuel supply line from the fuel injection supply manifold; refer to Fuel Delivery
and Air Induction for detailed use of the Spring Lock Coupling Disconnect Tool. See: Fuel Line Coupler/Service and Repair
9. Remove and discard the two fuel line O-rings.
