The fuel lines on your 1987 Ford Crown Victoria are held in place with a swivel nut on each end of the fuel line. Loosen the swivel nut to remove the fuel line. Reverse the process to install the new fuel line.
Probably under vehicle - follow the fuel line from the fuel tank
Try under vehicle along fram rail --follow fuel line from tank
ford fuel line disconnect tool. available at your local auto parts store.
try following the fuel lines from the gas tank it should be along the frame rail in line. You may need an fuel filter tool to remove the clips holding the filter in the line. hope this helps
If you are talking about the steel brake lines, most likely the rear lines, then replace both from front to back.
If I had to replace a fuel line I would get a replacement out of a car in a wrecking yard and install that.
Most likely the clamp on the fuel line has worn through the line - check the fittings and perhaps replace fuel line
Depending on the trim line and options about 5500lbs
It is located under the car, in front of the RR wheel, on the inside edge of the frame rail. It has an inlet and outlet line. one on each end.
No you do not.
NO!
Follow the instructions on Youtube.